98-28221. Standards Applicable to Owners and Operators of Closed and Closing Hazardous Waste Management Facilities; Post-Closure Permit Requirement; Closure Process  

  • [Federal Register Volume 63, Number 204 (Thursday, October 22, 1998)]
    [Rules and Regulations]
    [Pages 56710-56735]
    From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
    [FR Doc No: 98-28221]
    
    
    
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    Part II
    
    
    
    
    
    Environmental Protection Agency
    
    
    
    
    
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    40 CFR Parts 264, 265, 270, and 271
    
    
    
    Standards Applicable to Owners and Operators of Closed and Closing 
    Hazardous Waste Management Facilities: Post-Closure Permit Requirement 
    and Closure Process; Final Rule
    
    Federal Register / Vol. 63, No. 204 / Thursday, October 22, 1998 / 
    Rules and Regulations
    
    [[Page 56710]]
    
    
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    ENVIRONMENTAL PROTECTION AGENCY
    
    40 CFR Parts 264, 265, 270, and 271
    
    [FRL-6178-7]
    RIN 2050-AD55
    
    
    Standards Applicable to Owners and Operators of Closed and 
    Closing Hazardous Waste Management Facilities; Post-Closure Permit 
    Requirement; Closure Process
    
    AGENCY: Environmental Protection Agency.
    
    ACTION: Final rule.
    
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    SUMMARY: The Environmental Protection Agency (EPA) is amending the 
    regulations under the Resource Conservation and Recovery Act (RCRA) in 
    two areas. First, the Agency is modifying the requirement for a post-
    closure permit, to allow EPA and the authorized States to use a variety 
    of authorities to impose requirements on non-permitted land disposal 
    units requiring post-closure care. As a result of this rule, regulators 
    have the flexibility to use alternate mechanisms under a variety of 
    authorities to address these requirements, based on the particular 
    needs at the facility.
        Second, for all facilities, the Agency is amending the regulations 
    governing closure of land-based units that have released hazardous 
    constituents, to allow certain units to be addressed through the 
    corrective action program. As a result of this rule, EPA and the 
    authorized States will have discretion to use corrective action 
    requirements, rather than closure requirements, to address the 
    regulated units. This flexibility will reduce the potential for 
    confusion and inefficiency created by the application of two different 
    regulatory requirements.
        Finally, the Agency is specifying the Part B information submission 
    requirements for facilities that receive post-closure permits.
    
    DATES: This rule is effective October 22, 1998.
    
    ADDRESSES: Supporting materials are available for viewing in the RCRA 
    Information Center (RIC), located at Crystal Gateway I, First Floor, 
    1235 Jefferson Davis Highway, Arlington, VA. The Docket Identification 
    Number is F-98-PCPF-FFFFF. The RIC is open from 9 a.m. to 4 p.m., 
    Monday through Friday, excluding Federal holidays. To review docket 
    materials, it is recommended that the public make an appointment by 
    calling (703) 603-9230. The public may copy a maximum of 100 pages from 
    any regulatory docket at no charge. Additional copies cost $0.15/page. 
    The index and some supporting materials are available electronically. 
    See the Supplementary Information section for information on accessing 
    them.
    
    FOR FURTHER INFORMATION CONTACT: For general information, contact the 
    RCRA Hotline at (800) 424-9346 or TDD (800) 553-7672 (hearing 
    impaired). In the Washington, DC metropolitan area, call (703) 412-9810 
    or TDD (703) 412-3323.
        For more detailed information on specific aspects of this 
    rulemaking, contact Barbara Foster, Office of Solid Waste, Mail Code 
    5303W, U.S. Environmental Protection Agency, 401 M St. SW, Washington 
    DC 20460, (703-308-7057), foster.barbara@epamail.epa.gov
    
    SUPPLEMENTARY INFORMATION: The index and the following supporting 
    materials are available on the Internet: Economic Assessment. Follow 
    these instructions to access the information electronically:
    
    WWW: http://www.epa.gov/epaoswer/osw/hazwaste.htm#closure
    FTP: ftp.epa.gov
    Login: anonymous
    Password: foster.barbara@epamail.epa.gov
    Files are located in /pub/epaoswer
    
    Preamble Outline
    
    I. Authority
    II. Background Information
        A. Overview of RCRA Permit Authorities
        1. Closure and Post-Closure Care
        2. Subpart F
        B. Overview of HSWA Corrective Action Authorities
        C. Overview of Proposed Rule
        1. Elements of the Proposal that are Promulgated in this Final 
    Rule
        a. Post-Closure Care Under Alternatives to Permits
        b. Remediation Requirements for Land-Based Units with Releases 
    to the Environment
        c. Post-Closure Permit Information Submission Requirements
        2. Elements of the Proposal that are not Promulgated in this 
    Final Rule
        a. State Equivalent--Corrective Action Enforcement Authority for 
    Interim Status Facilities
        b. Timeframes for Closure
    III. Section-by-Section Analysis and Response to Comment
        A. Overview of Final Rule
        1. Post-Closure Care Under Alternatives to Permits
        2. Remediation Requirements for Land-Based Units with Releases 
    to the Environment
        3. Post-Closure Permit Part B Information Submission 
    Requirements
        B. Post-Closure Care Under Alternatives to Permits
        1. Use of Alternative Mechanisms to Address Post-Closure Care 
    (Sec. 270.1(c))
        a. Detailed Discussion of Final Rule
        b. Response to Comment
        2. Requirements for Alterative Mechanisms
        a. Part B Information Submission Requirements 
    (Sec. 265.121(a)(1))
        b. Subpart F Groundwater Monitoring and Corrective Action 
    Program (Secs. 265.121(c)(3) and 264.901--264.100)
        c. Facility-wide Corrective Action (Sec. 265.121(a)(2))
        3. Public Involvement (Secs. 265.121(b))
        a. Overview
        b. Response to Comment
        4. Enforceable Documents Issued Prior to the Effective Date of 
    this Rule (Sec. 265.121(b)(3)
        a. Overview
        b. Response to Comment
        C. Remediation Requirements for Land-Based Units with Releases 
    to the Environment
        1. Overview
        2. Response to Comment
        D. Post-Closure Permit Part B Information Submission 
    Requirements (Sec. 270.28)
        1. Overview
        2. Response to Comment
    IV. State Authorization
        A. Authorization of State Programs
        B. Enforcement Authorities
        C. Effect of this Rule on State Authorizations
        D. Review of State Program Applications
        1. Post-Closure Care Under Alternatives to Permits
        2. Remediation Requirements for Land-Based Units With Releases 
    to the Environment
        3. Post-Closure Permit Part B Information Submission 
    Requirements
    V. Effective Date
    VI. Regulatory Assessments
        A. Executive Order 12866
        B. Regulatory Flexibility Act
        C. Unfunded Mandates Reform Act
        D. Paperwork Reduction Act
        E. Executive Order 13045: Protection of Children from 
    Environmental Health Risks and Safety Risks
        F. National Technology Transfer and Advancement Act
        G. Executive Order 12898: Environmental Justice
        H. Executive Order 12875: Enhancing Intergovernmental 
    Partnerships
        I. Executive Order 13084: Consultation and Coordination with 
    Indian Tribal Governments
        J. Submission to Congress and the General Accounting Office
    VII. Brownfields
    
    I. Authority
    
        These regulations are promulgated under the authority of sections 
    2002(a), 3004, 3005, and 3006 of the Resource Conservation and Recovery 
    Act, as amended, 42 U.S.C. 6912(a), 6924, 6925, and 6926.
    
    II. Background Information
    
    A. Overview of RCRA Permit Authorities
    
        Section 3004 of the Resource Conservation Recovery Act (RCRA) 
    requires the Administrator of EPA to
    
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    develop regulations applicable to owners and operators of hazardous 
    waste treatment, storage, or disposal facilities, as necessary to 
    protect human health and the environment. Section 3005 requires the EPA 
    Administrator to promulgate regulations requiring each person owning or 
    operating a treatment, storage, or disposal facility to have a permit, 
    and to establish requirements for permit applications. Recognizing that 
    the Agency would require a period of time to issue permits to all 
    facilities, Congress provided, under section 3005(e) of RCRA, that 
    qualifying owners and operators could obtain ``interim status'' and be 
    treated as having been issued permits until EPA takes final 
    administrative action on their permit applications. The privilege of 
    continuing hazardous waste management operations during interim status 
    carries with it the responsibility of complying with appropriate 
    portions of the section 3004 standards.
        EPA has issued numerous regulations to implement RCRA requirements 
    for hazardous waste management facilities. These include the standards 
    of 40 CFR Part 264 (which apply to hazardous waste management units at 
    facilities that have been issued RCRA permits), Part 265 (which apply 
    to hazardous waste management units at interim status facilities), and 
    Part 270 (which provide standards for permit issuance).
    1. Closure and Post-Closure Care
        The closure regulations at 40 CFR Parts 264 and 265 Subpart G 
    require owners and operators of hazardous waste management units to 
    close these units in a manner that is protective of human health and 
    the environment and that minimizes the post-closure releases to the 
    environment. These regulations also establish procedures for closure: 
    they require owners and operators to submit closure plans to the Agency 
    for their hazardous waste management units, and they require Agency 
    approval of those closure plans.
        In addition, Parts 264 and 265 establish specific requirements for 
    closure of different types of units. Under Parts 264 and 265 Subpart N, 
    owners and operators of landfills are required to cover the unit with 
    an impermeable cap designed to minimize infiltration of liquid into the 
    unit; then owners or operators must conduct post-closure care 
    (including maintenance of the cap and groundwater monitoring). Under 
    Subparts K and L of Parts 264 and 265, owners and operators of surface 
    impoundments and waste piles must either remove or decontaminate all 
    hazardous waste and constituents from the unit, or leave waste in 
    place, install a final cover over the unit, and conduct post-closure 
    care. Closure of land treatment facilities must be conducted in 
    accordance with closure and post-closure care procedures of 
    Secs. 264.280 and 265.280. As part of the closure plan approval 
    process, the Agency has the authority to require owners and operators 
    to remove some or all of the waste from any type of unit at the time of 
    closure, if doing so is necessary for the closure to meet the 
    performance standard of Sec. 264.111 or Sec. 265.111.
        Under Subparts I and J of Parts 264 and 265, owners and operators 
    of non-land based units (e.g., tanks and containers) are required to 
    remove or decontaminate all soils, structures, and equipment at 
    closure. Owners and operators of tanks who are unable to do so must 
    close the unit as a landfill and conduct post-closure care (see, for 
    example, Sec. 265.197(b)).
        Where post-closure care is required, owners and operators must 
    comply with the requirements of Secs. 264.117-120 or Secs. 265.117-120. 
    These provisions establish a post-closure plan approval process, 
    similar to the closure plan approval process, and requirements for 
    maintenance of the RCRA cap during the post-closure care period. 
    Facilities also must comply with the groundwater requirements of Part 
    264 or Part 265 Subpart F during the same period.
    2. Subpart F
        The requirements of Parts 264 and 265, Subpart F apply to 
    ``regulated units,'' defined in Sec. 264.90(a)(2) as any landfill, 
    surface impoundment, waste pile, or land treatment unit that received 
    hazardous waste after July 26, 1982 or that certified closure after 
    July 26, 1983. While the standards of Parts 264 and 265, Subparts G 
    (closure and post-closure care) and H (financial assurance) are 
    equivalent for permitted and interim status facilities, Part 265 
    groundwater monitoring requirements for interim status land disposal 
    units are less comprehensive than those established under the Part 264, 
    Subpart F standards for permitted facilities. Whereas Part 265 sets 
    minimum standards for the installation of detection monitoring wells 
    (e.g., one upgradient and three downgradient wells), Part 264 
    establishes broader standards for establishing a more comprehensive 
    monitoring system to ensure early detection of any releases of 
    hazardous constituents. The specific details of the system are worked 
    out through the permitting process. Consequently, compliance with Part 
    264 standards usually results in a more extensive network of monitoring 
    wells. Similarly, Part 265 specifies a limited set of indicator 
    parameters that must be monitored, while Part 264 establishes a more 
    comprehensive approach under which the owner or operator is required to 
    design a monitoring program around site-specific indicator parameters. 
    As a result, monitoring systems designed in accordance with Part 264 
    standards are specifically tailored to the constituents of concern at 
    each individual site. Additionally, Part 264 compliance monitoring 
    standards are more comprehensive than Part 265 standards both in terms 
    of monitoring frequency and the range of constituents that must be 
    monitored. Finally, the Part 264, Subpart F regulations provide for 
    corrective action for releases to groundwater whereas the Part 265, 
    Subpart F regulations do not.
    
    B. Overview of HSWA Corrective Action Authorities
    
        In the 1984 Hazardous and Solid Waste Amendments (HSWA) to RCRA, 
    Congress expanded EPA's authority to address releases from all solid 
    waste management units (SWMUs) at hazardous waste management 
    facilities. Section 3004(u) of HSWA required that any permit issued 
    under section 3005(c) of RCRA to a treatment, storage, or disposal 
    facility after November 8, 1984, address corrective action for releases 
    of hazardous wastes or hazardous constituents from any SWMU at the 
    facility. Section 3004(v) authorized EPA to require corrective action 
    beyond the facility boundary where appropriate. Section 3008(h) 
    provided EPA with authority to issue administrative orders or bring 
    court action to require corrective action or other measures, as 
    appropriate, when there is or has been a release of hazardous waste or, 
    (under EPA's interpretation) of hazardous constituents from a facility 
    authorized to operate under section 3005(e).
        In a December 16, 1985 memorandum entitled Interpretation of 
    Section 3008(h) of the Solid Waste Disposal Act, EPA interpreted 
    section 3008(h) to apply not only to facilities that met the 
    requirement for obtaining interim status, but also to facilities that 
    were subject to but did not fully comply with the requirements for 
    interim status, as well as to facilities that lost interim status 
    pursuant to 40 CFR Part 124 or sections 3005(c) or 3005(e)(2) of RCRA. 
    Later, in an August 10, 1989 memorandum entitled Coordination of 
    Corrective Action Through Permits and Orders (OSWER Directive 
    9502.1989(04)), EPA clarified that interpretation by stating that a 
    section 3008(h) order cannot be issued to a facility after final 
    disposition of the permit application.
    
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        In practice, the corrective action process is highly site-specific, 
    and involves direct oversight by the reviewing Agency. Unlike the 
    closure process, which provides two options (closure with waste in 
    place and closure by complete removal and decontamination), the 
    corrective action process provides considerable flexibility to the 
    Agency to decide on remedies that reflect the conditions and the 
    complexities of each facility. For example, depending on the site-
    specific circumstances, remedies may attain media cleanup standards 
    through various combinations of removal, treatment, engineering, and 
    institutional controls.
        EPA has codified corrective action requirements at Secs. 264.101, 
    264.552, and 264.553, and currently implements these requirements 
    through the permitting process. EPA also implements corrective action 
    by issuing corrective action orders under section 3008(h) of RCRA. In 
    addition, to facilitate the corrective action process, EPA proposed 
    more extensive corrective action regulations on July 27, 1990, under a 
    new Part 264 Subpart S (see 55 FR 30798). The July 27, 1990 Subpart S 
    proposal set forth EPA's interpretation of the statutory requirements 
    at that time. Later, EPA promulgated several sections of that proposal 
    related to temporary units, corrective action management units, and the 
    definition of ``facility'' (see 58 FR 8658, February 16, 1993).
        On May 1, 1996, the Agency issued a Federal Register notice (61 FR 
    19432) defining the goals of the corrective action program, and 
    providing guidance on its implementation. The notice also announced the 
    Agency's Corrective Action Initiative and soliciting comment on issues 
    related to the corrective action program. This initiative is a 
    reevaluation effort to identify and implement improvements to the 
    corrective action program, and to focus that program more clearly on 
    environmental results. The notice specified five goals of the 
    Corrective Action Initiative: (1) to create a consistent, holistic 
    approach to cleanup at RCRA facilities; (2) to establish protective, 
    practical cleanup expectations; (3) to shift more of the 
    responsibilities for achieving cleanup goals to the regulated 
    community; (4) to focus on opportunities to streamline and reduce 
    costs; and (5) to enhance opportunities for timely, meaningful public 
    participation.
    
    C. Overview of Proposed Rule
    
    1. Elements of the Proposal That Are Promulgated in This Final Rule
        a. Post-closure care under alternatives to permits. The regulations 
    promulgated in this rule were proposed by the Agency on November 8, 
    1994 (see Standards Applicable to Owners and Operators of Closed and 
    Closing Hazardous Waste Management Facilities; Post-Closure Permit 
    Requirement; Closure Process; State Corrective Action Authority (59 FR 
    55778)). That proposal was designed to give EPA and the authorized 
    States greater flexibility in remediating RCRA facilities by modifying 
    the regulations in several areas.
        First, EPA proposed to allow EPA and authorized States to use a 
    variety of legal authorities when addressing facilities that require 
    post-closure care. Under the proposal, the Agency would continue to 
    impose the same substantive groundwater, post-closure care, and 
    corrective action requirements as it would under a permit, and would 
    provide for adequate public participation.
        The Agency proposed this change to provide regulators the necessary 
    flexibility to use the best regulatory approach in addressing these 
    sites. Prior to today's rule, section 270.1 required owners and 
    operators of landfills, waste piles, surface impoundments, or land 
    treatment units that received waste after July 26, 1982, or that ceased 
    the receipt of wastes prior to July 26, 1982, but did not certify 
    closure until after January 26, 1983, to obtain post-closure permits 
    (unless they demonstrated that they met the Sec. 270.1 requirements for 
    closure by removal).
        In the case of operating land disposal facilities, the RCRA permit, 
    when first issued, incorporates the closure plan and applicable post-
    closure provisions. These post-closure conditions become effective 
    after the facility ceases to manage hazardous waste and the closure 
    plan has been implemented. The permit, when issued, also requires 
    compliance with Part 264 Subpart F groundwater monitoring standards. 
    Permits issued after November, 1984 also would impose the facility-wide 
    corrective action requirements of RCRA section 3004(u), if necessary.
        For interim status facilities that close without obtaining an 
    operating permit, the requirement for a post-closure permit (typically 
    issued after completion of closure) performed an important regulatory 
    function. First, to secure a permit, the facility had to meet the 
    permit application requirements of Part 270, which require extensive 
    information on the hydrogeologic characteristics of the site and extent 
    of any groundwater contamination. Second, once the post-closure permit 
    was issued, the facility became subject to the standards of Part 264 
    rather than Part 265, most significantly to the site-specific 
    groundwater monitoring requirements of Part 264 Subpart F. Third, the 
    post-closure permit imposed facility-wide corrective action to satisfy 
    the requirements of section 3004(u). Finally, the public involvement 
    procedures of the permitting process assure that the public is informed 
    of and has an opportunity to comment on permit conditions.
        The requirement for post-closure permits was promulgated in 1982. 
    At the time, the Agency believed that permits would be the most 
    effective means to develop site-specific groundwater monitoring 
    programs tailored to individual waste management facilities (see 47 FR 
    32366, July 26, 1982). Since that time, the Agency and the authorized 
    States have issued hundreds of permits to closed and closing interim 
    status facilities. In the course of issuing these permits, EPA and the 
    States have encountered many facilities where post-closure permit 
    issuance proved difficult or, in some cases, impossible. Generally, the 
    Regions and States have encountered two major difficulties when issuing 
    post-closure permits. First, some facilities chose to close, or are 
    forced to close, because they cannot comply with Part 265 standards--
    particularly, groundwater monitoring and financial assurance. If a 
    facility cannot meet these requirements, EPA cannot issue a permit to 
    it because section 3005(c) of RCRA requires facilities to be in 
    compliance with applicable requirements at the time of permit issuance. 
    Second, owners or operators often have little incentive to seek a post-
    closure permit. Without a strong incentive on the part of the facility 
    owner or operator to provide a complete application, the permitting 
    process can be significantly protracted.
        To address environmental risk at facilities such as those described 
    above, Regions and States have frequently utilized legal authorities 
    other than permits. Use of enforcement actions enables the Agency to 
    place these facilities on a schedule of compliance for meeting 
    financial assurance and/or groundwater monitoring requirements over a 
    period of time. And, even where enforcement actions cannot bring about 
    full regulatory compliance (e.g., where the owner or operator cannot 
    secure financial assurance), they enable the
    
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    Agency to prescribe actions to address the most significant 
    environmental risks at the facility. For example, EPA has often issued 
    corrective action orders under the authority of section 3008(h) to 
    address releases from regulated units and/or other SWMUs at these 
    facilities. In other cases, Federal or State Superfund authorities have 
    been used to address cleanup at sites. However, prior to this rule, EPA 
    or the State was still required to issue a post-closure permit even 
    where the environmental risks associated with the facility were 
    addressed through other authorities.
        EPA is promulgating, with minor revisions, those provisions of the 
    November 8, 1994 proposal that remove the requirement to issue post-
    closure permits at each facility, and allow post-closure care 
    requirements to be imposed using either permits or approved alternate 
    authorities. Those provisions are promulgated in this rule in 
    Secs. 265.121, 270.1(c), and 271.16, and are discussed in sections 
    III.A. and III.B. below.
        b. Remediation requirements for land-based units with releases to 
    the environment. The November 8, 1994 proposal also solicited comment 
    on several issues related to the regulatory distinction between 
    regulated units and SWMUs.
        In 1982, when the regulatory structure for closure was established, 
    the Agency had little experience with closure of RCRA regulated units. 
    Since 1982, the Agency and authorized States have approved hundreds of 
    closure plans, and overseen the closure activities taking place under 
    those plans. It has become evident that closure of these units is 
    frequently more complex than EPA envisioned in 1982. In many cases, 
    particularly with unlined land-based units, the unit has released 
    hazardous waste and constituents into the surrounding soils and 
    groundwater. In some cases, the unit may be located near SWMUs or areas 
    of concern that also have released hazardous constituents to the 
    environment. As a result, the cleanup of similar releases may be 
    subject to two different sets of standards and two different sets of 
    procedures. EPA is concerned that this dual regulatory structure may 
    unnecessarily impede cleanups.
        In the November 8, 1994 proposal, the Agency addressed this issue 
    by requesting comment on giving discretion to the Agency or the 
    authorized State to impose requirements developed for corrective action 
    in lieu of the requirements of Subparts F (groundwater), G (closure and 
    post-closure), and H (financial assurance) at certain regulated units. 
    After reviewing the comments, which largely supported the concept, EPA 
    has decided to promulgate provisions providing that discretion for 
    certain regulated units, both permitted and interim status, that appear 
    to have released to the environment, if SWMUs also appear to have 
    contributed to the same release. Those provisions are promulgated in 
    this rule in Secs. 264.90(f), 264.110(c), 264.140(d), 265.90(f), 
    265.110(d), and 265.140(d), and are discussed in sections III.A. and 
    III.C. below.
        c. Post-closure permit information submission requirements. In the 
    November 8, 1994 rule, EPA proposed to add a new Sec. 270.27 to 
    identify that subset of the Part B application information that must be 
    submitted for post-closure permits. Under that provision, an owner or 
    operator seeking a post-closure permit would have to submit only that 
    information specifically required for post-closure permits under that 
    section, unless otherwise directed by the Regional Administrator. Under 
    the proposal, the information required under Sec. 270.27 would be 
    submitted upon request by the Regional Administrator.
        Proposed Sec. 270.27 is promulgated in Sec. 270.28 of this final 
    rule.
    2. Elements of the Proposal That Are not Promulgated in This Final Rule
        a. State equivalent--corrective action enforcement authority for 
    interim status facilities. The November 8, 1994 proposal also would 
    have required States to adopt enforcement authority equivalent to 
    section 3008(h) corrective action authority as part of their authorized 
    program. Though many commenters supported this portion of the proposal, 
    many State commenters strongly objected to it for several reasons.
        Although EPA has the authority to require authorized States to have 
    adequate enforcement programs, the Agency, after considering public 
    comment, has decided not to proceed at this time with the requirement 
    that States adopt section 3008(h)-equivalent authority as part of their 
    authorized enforcement program. EPA believes the States raised 
    significant issues that would need to be resolved prior to 
    promulgation. This is not a final decision on this issue--the Agency 
    may determine at a future date to adopt such a requirement.
        EPA notes that States seeking authorization to issue enforceable 
    documents in lieu of post-closure permits will need to submit their 
    alternative legal authorities to EPA for review. As part of that 
    review, EPA will determine whether the State authorities are broad 
    enough to impose facility-wide corrective action at interim status 
    facilities. Submission of these alternative authorities will be 
    required only for States seeking authorization for this rule. It will 
    not be required of all States.
        b. Timeframes for closure. The November 8, 1994 proposal requested 
    comment on whether the Agency should make modifications to the closure 
    process, in particular, to the timeframes for closure. The Agency 
    recognized that the current timeframes may, in some cases, not be 
    adequate where the closure is really a cleanup activity, rather than 
    the more straightforward capping or waste removal activities 
    contemplated in 1982.
        Though public comment generally agreed that the closure timeframes 
    are not adequate, the Agency is not promulgating this provision of the 
    November 8, 1994 proposal at this time. EPA, however, is promulgating a 
    rule that will allow overseeing agencies to replace closure 
    requirements--including closure timeframes--with requirements developed 
    under corrective action, at some facilities. EPA expects that these 
    revisions will allow site-specific flexibility for timeframes for some 
    of the complex closures, thereby providing, in part, the relief 
    intended by the proposal.
    
    III. Section-by-Section Analysis and Response to Comment
    
    A. Overview of Final Rule
    
    1. Post-Closure Care Under Alternatives to Permits
        This final rule creates an optional, new procedural mechanism for 
    imposing requirements on units or facilities that closed without 
    obtaining a permit. It ensures that these units have to meet the same 
    substantive requirements that apply to units receiving post-closure 
    permits.
        The post-closure requirements for permitted facilities in Part 264 
    are more extensive than the analogous Part 265 interim status 
    requirements in three areas: (1) the requirements for submission of 
    information under Part 270; (2) Part 264 Subpart F requirements for 
    groundwater management and corrective action for releases to 
    groundwater; and (3) facility-wide corrective action requirements for 
    releases from SWMUs under Sec. 264.101. To impose equivalent 
    requirements at interim status facilities, EPA or an authorized State 
    must issue an enforceable document that performs many of the functions 
    of a permit. Thus, the enforceable document must impose: (1) the 
    requirements of new
    
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    Sec. 265.121(a)(1), which imposes information requirements that are 
    relevant to closed facilities needing permits only for post-closure 
    care; (2) the requirements of new Sec. 265.121(a)(3), which applies 
    Part 264 groundwater standards to the regulated unit; and (3) the 
    requirements of new Sec. 265.121(a)(2), which imposes facility-wide 
    corrective action consistent with Sec. 264.101.
        The remaining requirements that apply during the post-closure care 
    period relate to the maintenance of the closed unit and financial 
    responsibility. The permitting and interim status standards for these 
    requirements are virtually identical. Consequently, these requirements 
    need not be addressed in the enforceable alternative to the permit--
    rather, the relevant portions of Part 265 Subparts G and H will 
    continue to apply. Post-closure care requirements will normally 
    continue to be set out in the facility's approved closure plan. 
    Financial responsibility requirements are self-implementing. (Of 
    course, EPA or an authorized State may chose to incorporate the Part 
    265 requirements for post-closure care and financial responsibility 
    into an enforceable document, if they wish.)
        The new, non-permit mechanisms provide opportunities for public 
    participation, which differ somewhat from those set out in the permit 
    issuance and modification procedures of Parts 124 and 270. EPA's new 
    requirements reflect the Agency's efforts to provide as much public 
    participation as possible, but also reflect the Agency's awareness that 
    most of the alternate mechanisms used to address corrective action will 
    be enforcement orders.
        The current procedures for issuing post-closure permits first 
    provide an opportunity for public comment at the time the permit is 
    issued. This typically means that the public is able to comment on the 
    plan for investigating suspected releases at the facility. Permit 
    modification procedures then provide opportunities to comment at the 
    time the permit authority selects a remedy for the facility. They also 
    provide an opportunity to comment when the permit authority concludes 
    that corrective action is complete. Under the Federal rules used by 
    EPA, opportunities to file administrative appeals are available after 
    each of these steps. (EPA, however, does not require States to provide 
    for administrative appeals of permits).
        The new public participation requirements for enforceable documents 
    are codified at Sec. 265.121(b). They require the overseeing agency to 
    provide public notice and an opportunity to comment: (1) when the 
    Agency becomes involved in a remediation at the facility as a 
    regulatory or enforcement matter; (2) on the proposed remedy and the 
    assumptions upon which the remedy is based; and (3) prior to making the 
    final decision that remedial action is complete at the facility. They 
    do not require either EPA or the States to provide opportunities for 
    administrative appeals. EPA recognizes that, at least at the Federal 
    level, this changes the opportunities for public involvement in the 
    requirements that will govern closed hazardous waste facilities. EPA 
    believes these requirements equal, and in some respect exceed, the 
    current permitting requirements for public participation. On the other 
    hand, the new requirements do not require an opportunity for 
    administrative appeal. While this approach to a certain extent lessens 
    the public's opportunity to challenge a decision, EPA believes that 
    rights to administrative appeals (which can be exercised by a regulated 
    facility as well as the public) are inappropriate in an enforcement 
    context.
        The final rule defines ``enforceable document'' at 
    Sec. 270.1(c)(7). Generally, Federal orders under section 3008(h) of 
    RCRA and section 106 of CERCLA will fall within this definition and be 
    eligible, as well as State orders issued under authorities reviewed and 
    approved by EPA. Fund-financed actions under section 104 of CERCLA also 
    will be eligible. Closure and post-closure plans, and State enforcement 
    authorities analogous to RCRA section 3008(a) enforcement authority 
    also will be appropriate mechanisms.
        Table 1 summarizes these requirements.
    
                             Table 1.--Enforceable Documents in Lieu of Post-Closure Permits
    ----------------------------------------------------------------------------------------------------------------
                                                                                     Regulations for enforceable
                   Subject                       Regulations for permits                      documents
    ----------------------------------------------------------------------------------------------------------------
    Facility Information................  Sec.  270.28........................  Sec.  270.28 (see Sec.  265.121)
    Groundwater Protection..............  Part 264, Subpart F *...............  Part 264, Subpart F (see Sec.
                                                                                 265.121) *
    Corrective Action...................  Sec.  264.101.......................  Sec.  264.101 (see Sec.  265.121)
    Public Participation................  Parts 124 and 270...................  Sec.  265.121
    Financial Responsibility............  Part 264, Subpart H *...............  Part 265, Subpart H *
    Post-Closure Care of Regulated Unit.  Part 264, Subpart G *...............  Part 265, Subpart G *
    ----------------------------------------------------------------------------------------------------------------
    * For certain land-based units suspected of contributing to releases to the environment, these requirements may
      be replaced by site-specific requirements developed under corrective action. See new Secs.  264.90(f),
      264,110(c), 264.140(d), 265.90(f), 265.110(d), and 265.140(d) of this final rule.
    
    2. Remediation Requirements for Land-Based Units With Releases to the 
    Environment
        The second portion of this final rule provides flexibility to 
    regulators in another area of the RCRA regulations. As described above, 
    two different sets of RCRA requirements arguably apply to a single 
    release if both regulated units and SWMUs have contributed to the 
    release. This rule provides flexibility to harmonize the two sets of 
    requirements by substituting corrective action requirements for 
    requirements for regulated units set out in Part 264 (for permitted 
    facilities) or Part 265 (for interim status facilities). These 
    optional, new provisions are available to regulators at a broad range 
    of RCRA facilities, including, but not limited to, those covered by the 
    change to post-closure permitting described above.
        This portion of the rule provides EPA and authorized States with 
    discretion to prescribe alternative groundwater monitoring, closure and 
    post-closure, and financial responsibility standards at both operating 
    and closed facilities, where EPA (or a State) finds that a release of 
    hazardous waste or hazardous constituents has occurred, and both a 
    regulated unit and one or more SWMUs
    
    [[Page 56715]]
    
    (or areas of concern \1\) are likely to have contributed to the 
    release.
    ---------------------------------------------------------------------------
    
        \1\ Area of concern means any area of a facility under the 
    control or ownership of an owner or operator where a release to the 
    environment of hazardous wastes or hazardous constituents has 
    occurred, is suspected to have occurred, or may occur, regardless of 
    the frequency or duration (see final RCRA section 3008(h) Model 
    Consent Order, December 15, 1993).
    ---------------------------------------------------------------------------
    
        For permitted facilities, the alternative standards will be issued 
    in the permit (or issued in an enforceable document (as defined in 
    Sec. 270.1(c)(7))), which is referenced in the permit). EPA and 
    authorized States may develop the cleanup requirements for the 
    regulated unit and SWMUs under non-permit authorities, such as CERCLA 
    or a State superfund statute, but they must incorporate them into the 
    permit, or incorporate them into an enforceable document, which is 
    referenced in the permit.
        For interim status facilities, EPA or States authorized to 
    implement this portion of this final rule must impose alternative 
    closure, groundwater monitoring, and/or financial responsibility 
    standards for interim status facilities in an enforceable document. 
    ``Enforceable documents'' for this rule include RCRA section 3008(h) 
    orders, actions under sections 104 or 106 of CERCLA, or State actions 
    under authorities reviewed and approved by EPA as described below. If 
    EPA or an authorized State issues alternative closure standards, the 
    facility's closure plan and/or post-closure plan must be amended to set 
    forth the alternative provisions, or to reference the enforceable 
    document that sets forth those provision.
    3. Post-Closure Part B Permit Information Submission Requirements
        To ensure substantive equivalency of authorities used in lieu of 
    post-closure permits, this final rule requires owners and operators to 
    submit the same information specifically required for post-closure 
    permits, upon request by the Agency, when an alternative authority is 
    used in lieu of a post-closure permit. Section 265.121(a)(1) requires 
    owners and operators obtaining enforceable documents in lieu of post-
    closure permits to submit the information required in Sec. 270.28.
        Section 270.28,\2\ which is promulgated in this final rule, 
    establishes information submission requirements for post-closure 
    permits. As is discussed in detail in section III.D. of this preamble, 
    Sec. 270.28 specifies information that the Regional Administrator will 
    request to issue a post-closure permit, and requires owners and 
    operators to submit that information. It includes information the 
    Agency believes will be important for all post-closure permits, that 
    is, groundwater characterization and monitoring data, information 
    related to long-term care of the regulated unit and monitoring systems, 
    and information on SWMUs and possible releases. In addition, 
    recognizing that additional information may be needed on a site-
    specific basis, Sec. 270.28 also allows the Regional Administrator to 
    require any of the Part B information specified in Secs. 270.17, 
    270.18, 270.20, and 270.21. Section 265.121(a)(1) adopts this approach 
    for alternative mechanisms as well.
    ---------------------------------------------------------------------------
    
        \2\ This provision was promulgated as Sec. 270.72.
    ---------------------------------------------------------------------------
    
    B. Post-Closure Care Under Alternatives to Permits
    
    1. Use of Alternative Mechanisms To Address Post-Closure Care 
    (Sec. 270.1(c))
        a. Detailed discussion of final rule. Section 270.1(c), amended by 
    this rule, requires owners and operators closing unpermitted regulated 
    units with waste in place either to: (1) obtain a post-closure permit, 
    or (2) comply with the alternative post-closure requirements of 
    Sec. 270.1(c)(7). Prior to this rule, owners and operators of regulated 
    units requiring post-closure care had to obtain permits for the post-
    closure period. This rule, by allowing another alternative to post-
    closure permitting, provides regulators with flexibility to address the 
    post-closure period at RCRA facilities using a variety of legal 
    authorities, including enforcement mechanisms.
        Facilities that close with waste in place, without obtaining a 
    permit, and then use non-permit mechanisms in lieu of a permit to 
    address post-closure responsibilities, will have to meet three 
    important requirements that apply to facilities that receive permits: 
    (1) the more extensive groundwater monitoring required under Part 264, 
    as they apply to regulated units; (2) certain requirements for 
    information about the facility found in Part 270 that enable the 
    overseeing agency to implement the Part 264 monitoring requirements; 
    and (3) facility-wide corrective action for SWMUs as required under 
    Sec. 264.101. These requirements are set out in new Sec. 265.121, which 
    applies to interim status facilities requiring post-closure care.
        EPA and States authorized for this rule must impose these 
    requirements in enforceable documents, as defined in Sec. 270.1(c)(7) 
    of this rule, if they are being issued in lieu of permits. Federal 
    enforcement orders issued under sections 3008(a) and 3008(h) qualify as 
    enforceable documents. Post-closure plans issued by EPA under 
    Sec. 265.118, which are enforceable under section 3008(a), also will 
    qualify. Orders issued under section 106 of CERCLA will also be 
    eligible, as will decision documents describing response actions under 
    CERCLA section 104. Although response actions under section 104 are 
    often carried out by EPA using monies from the Superfund, rather than 
    by responsible parties under orders, it is reasonable to rely on them 
    because EPA is responsible for carrying out the cleanup work. EPA does 
    not intend this rule to revise the existing policy to defer from 
    listing on Superfund's National Priorities List (NPL) those facilities 
    that are subject to RCRA corrective action. However, since the policy 
    permits the listing of some RCRA facilities on the NPL (such as 
    bankrupt or recalcitrant facilities), some of the facilities subject to 
    this rule may also be eligible for cleanup under CERCLA section 104, 
    and EPA (or an authorized State) may wish to rely on the CERCLA action 
    to discharge the facility's cleanup responsibilities.
        States obtaining authorization for this rule will be able to use 
    enforceable cleanup orders similar to EPA's section 3008(h) orders, as 
    well as State superfund authorities. EPA has not yet formally reviewed 
    these State cleanup authorities, so it will require States that wish to 
    use them to submit them for review as part of the State authorization 
    process. EPA will determine whether they provide: (1) the substantive 
    requirement of adequate authority to compel cleanup of all releases 
    from SWMUs within a facility's boundary, as needed to protect human 
    health and the environment (see new Sec. 265.121(a)(2)), and (2) 
    procedural requirements to ensure compliance (i.e., adequate penalty 
    and injunctive authority to address failures to comply)(see new 
    Sec. 271.16(e)). EPA does not anticipate that plans for truly 
    ``voluntary'' cleanups will meet the enforceability requirement, 
    although it is willing to look at mechanisms called ``voluntary'' plans 
    or agreements to determine whether the State has adequate authority to 
    compel compliance. (EPA emphasizes that this rule does not preclude the 
    use of State ``voluntary'' authorities to address cleanup at RCRA 
    facilities and, indeed, EPA encourages their use under the appropriate 
    circumstances. Nor does it affect the ability of EPA Regions to enter 
    into memoranda of agreement or other mechanisms promoting the use of 
    State voluntary programs at RCRA facilities, where appropriate. This 
    rule only
    
    [[Page 56716]]
    
    addresses the question of whether the State uses these authorities to 
    satisfy the post-closure permit obligation.)
        EPA expects that, in some cases, the overseeing agency or agencies 
    will choose to use more than one mechanism to ensure that the 
    substantive post-closure requirements in new Sec. 265.121 are imposed. 
    For example, if EPA were addressing a facility with releases at SWMUs 
    and a regulated unit with no release, it could issue a section 3008(h) 
    order to address the releases from the SWMUs. EPA, however, might 
    decide that such an order would not be the most effective means of 
    imposing long-term groundwater monitoring requirements for the non-
    leaking regulated unit. The new requirements could be imposed on the 
    regulated unit in a revised interim status post-closure plan. 
    Alternatively, EPA could issue a section 3008(a) order to enforce the 
    new requirements (codified in this rule at Sec. 265.121). Sometimes, 
    multiple agencies may be involved. For example, a State that does not 
    have a cleanup order authority could revise an interim status post-
    closure plan (or issue a State enforcement order analogous to section 
    3008(a)) to address a regulated unit, and rely on an EPA section 
    3008(h) order to address any releases from SWMUs.
        Facilities subject to the new Sec. 265.121 will remain subject to 
    all other applicable interim status requirements, including 
    requirements for financial assurance. These remaining interim status 
    requirements are virtually identical to permit requirements, so there 
    is no need to address them in the new alternatives to post-closure 
    permits. These interim status requirements will continue to be 
    enforceable under section 3008(a) and analogous State authorities.
        Facilities subject to the new Sec. 265.121 also will remain subject 
    to section 3008(h) authority unless or until EPA or the authorized 
    State issues a final disposition of a permit application under 
    Sec. 270.73, thereby terminating interim status at the facility. It 
    should be noted that in a Federal Register notice dated May 1, 1996 (61 
    FR 19432, at 19453-4) EPA erroneously stated that facilities at which 
    the regulated units clean closed under interim status no longer have 
    interim status. EPA corrects that statement in this rule and restates 
    the Agency's longstanding position that interim status is terminated 
    only by a final disposition of a permit application, or by the methods 
    outlined in Sec. 270.73, which do not include clean closure. The May 1, 
    1996, Federal Register notice correctly stated that section 3008(h) 
    continues to apply at clean closed facilities where there has been no 
    final disposition of a permit application. Similarly, section 3008(h) 
    continues to apply at facilities addressed through an approved 
    alternate authority until final disposition of a permit application 
    under Sec. 270.73. Issuance of an alternate mechanism does not 
    terminate interim status authorities.
        b. Response to comment. Commenters on the proposed rule largely 
    supported the provisions that would remove the permit requirement. Many 
    commenters agreed with the Agency that the rule allows flexibility to 
    regulators, yet maintains protection of human health and the 
    environment.
        Some commenters objected that the Agency should have the authority 
    to issue an order or a permit, but should not be able to issue an 
    order, and later to issue a permit to the facility. EPA disagrees. The 
    Agency currently has the authority to issue a permit after the facility 
    is addressed through an alternate authority, such as an enforcement 
    order. This rule does not modify the Agency's authority to issue 
    permits in this situation. Rather, it takes away the permitting 
    obligation in cases where the facility is addressed through an 
    alternate mechanism, by making the permit one of several options to 
    address the facility. EPA believes this approach makes sense, and 
    allows EPA to chose the best available mechanism, while retaining 
    authority to use whatever authority is necessary to protect human 
    health and the environment. EPA notes, however, that it is not likely 
    to issue a permit to impose requirements that a facility has already 
    satisfied under an alternate, enforceable document. Rather, it would 
    limit a permit to requirements that, for some reason, had not been 
    fully satisfied.
        Several commenters expressed concern over discussion in the 
    preamble of the November 8, 1994 proposal related to uncooperative 
    facilities. The preamble explained that where the owner or operator is 
    financially incapable of meeting the threshold requirements for permit 
    issuance, such as compliance with the financial assurance requirements, 
    or where the owner or operator may be uncooperative and an enforcement 
    action is necessary, the post-closure permit is likely not the best 
    mechanism to use. The preamble further explained that a post-closure 
    permit will generally be the preferable mechanism for cooperative 
    facilities capable of meeting financial assurance requirements.
        Several commenters interpreted this discussion to limit the use of 
    alternate mechanisms to uncooperative facilities not in compliance with 
    applicable financial assurance and groundwater requirements. Commenters 
    objected that facilities should not be rewarded for non-compliance, and 
    that the proposal was making the post-closure care process more 
    burdensome for compliant facilities. Other commenters thought the 
    Agency was proposing to exempt non-compliant facilities from certain 
    requirements.
        The Agency did not intend to limit the use of alternate authorities 
    to facilities not in compliance with applicable RCRA requirements. EPA 
    only identified these facilities as examples of where an enforcement 
    mechanism was more appropriate than a permit. Furthermore, EPA does not 
    consider the imposition of alternative enforcement authorities to be a 
    ``reward,'' since such authorities might often include stipulated 
    penalties and, in any case, would impose the same substantive standards 
    as a permit. EPA will retain section 3008(a) authority to enforce 
    against closed interim status facilities that have failed to meet Part 
    265 financial assurance requirements. As to groundwater monitoring, 
    this rule will substitute the stricter Part 264 requirements for the 
    original Part 265 requirements. EPA will retain authority to use 
    section 3008(a) to enforce past violations of the Part 265 monitoring 
    requirements and to assure that the facility complies with Part 264 
    requirements once they are put in place by a revised interim status 
    post-closure plan (or other enforceable mechanism). The rule will also 
    require facility-wide corrective action as required under permits. More 
    important, EPA notes that the new authority to use alternatives to 
    post-closure permits is not limited to facilities that are out of 
    compliance with Part 265 requirements. All facilities that have closed 
    (or that, in the future, will close) with waste in place without 
    obtaining a permit are eligible.
        Many commenters objected that this preamble discussion appeared to 
    remove the interim status groundwater and financial assurance 
    requirements at facilities not in compliance with the regulations. 
    However, the Agency did not eliminate interim status financial 
    assurance requirements. Facilities addressed through alternate 
    mechanisms remain subject to the financial assurance requirements of 
    Part 265 Subpart H. They become subject to the more prescriptive 
    groundwater requirements of Part 264 Subpart F. Rather than waive 
    requirements at non-compliant facilities, as commenters believe, this 
    rule continues to require compliance with upgraded requirements.
        Some commenters believed that the choice of mechanism should be 
    left to the facility, or that the options should
    
    [[Page 56717]]
    
    be discussed at length to achieve consensus. These commenters believed 
    that an otherwise reluctant owner or operator is more likely to commit 
    resources to meet agency goals if regulatory alternatives and 
    consequences are clearly discussed and understood up-front.
        Other commenters believed that the regulations should specify when 
    an alternative authority would be used in lieu of a permit, and remove 
    some of the Agency's discretion.
        EPA did not take either approach suggested by these commenters. EPA 
    agrees with commenters that the owner or operator generally should be 
    involved in discussions related to the selection of mechanisms. This is 
    particularly true of cooperative facilities in compliance with 
    applicable requirements and eligible for post-closure permits. EPA 
    intends to take into consideration the preference of facility owners 
    and operators in deciding how to address these facilities, and it 
    encourages authorized States to do so as well. However, EPA believes 
    that it is important to provide the Agency and authorized States 
    flexibility to consider all factors when deciding what authority to use 
    to address a site. These factors will include conditions at the site, 
    the availability of alternate State authorities, availability of 
    resources, preference of the owner or operator and the local public, 
    and the compliance status of the owner or operator. The Agency believes 
    that by attempting to establish criteria in this rule, it would 
    unnecessarily limit the flexibility to make the decision that best 
    ensures protection of human health and the environment at each site.
        Some commenters believed the owner or operator should have 
    opportunity to challenge the Agency's or authorized State's choice of 
    mechanism. EPA disagrees, and believes that the choice of mechanism to 
    use to address a facility is an inherently governmental decision that 
    should not be subject to challenge. EPA believes this approach is 
    consistent with longstanding policy on enforcement discretion, and is 
    vital to an effective enforcement program.
        This rule limits the use of alternate mechanisms to facilities that 
    have not received permits. Some commenters believed that the Agency 
    should modify the rule to allow permits to be converted to orders and 
    allow owners or operators of permitted facilities to address the post-
    closure period through another mechanism.
        EPA has not adopted the commenter's suggestion, as this rulemaking 
    deals only with alternative mechanisms for closed facilities that have 
    not yet received post-closure permits. It should be noted that existing 
    Secs. 264.117(a)(2)(i) and 265.117(a)(2)(i) address commenters' concern 
    to some extent by allowing the Agency to shorten the post-closure 
    period upon a determination that the shortened period is protective of 
    human health and the environment.
        Another commenter suggested that EPA should be allowed to use 
    alternative authorities at closed facilities, needing post-closure 
    permits, that have submitted a Part B permit application. The Agency 
    agrees that it should not be precluded from using alternative 
    mechanisms at these facilities so long as it has not issued a Part B 
    permit.
        Some commenters objected to the provisions of the rule that would 
    remove the requirement that EPA use the post-closure permit as the 
    vehicle to impose Part 264 requirements for post-closure care. One 
    commenter believed that the Agency should use enforcement orders to 
    overcome the obstacles to permitting it described (such as non-
    compliance with financial assurance requirements). This commenter 
    believed that post-closure permitting is protracted because EPA has not 
    used its enforcement authority to move facilities through the 
    permitting process, and has not made issuing post-closure permits a 
    priority.
        EPA disagrees with this commenter. There are many facilities in the 
    RCRA universe that are not able to meet the financial assurance 
    requirements of Subpart H. While EPA can take enforcement actions 
    against these facilities to bring them into compliance to the extent 
    possible, there are some facilities that never will be able to meet 
    those requirements, despite an enforcement order. As was explained 
    above, EPA will not be able to issue permits to such facilities. 
    Further, the Agency believes that the flexibility provided by this rule 
    is important, not only to address non-compliant facilities, but to 
    allow regulators to use the most appropriate authority available to 
    them at all facilities. This choice may be based on many factors, 
    including the specific conditions at the facility, availability of 
    approved alternate State cleanup authorities, and recalcitrance of the 
    facility. Thus, while the Agency agrees with the commenter that it is 
    important to take enforcement actions against facilities to bring them 
    into compliance whenever possible, and that enforcement authorities 
    should be used to expedite the permitting process, it does not agree 
    that post-closure permits should or can be issued to all facilities. 
    Further, EPA is more interested in obtaining environmental results than 
    in the choice of mechanism used, and in eliminating redundant 
    processes.
        Other commenters believed that the Agency remains subject to the 
    permit deadline for land disposal facilities in RCRA section 
    3005(c)(2)(A)(i). Those commenters believed that revisions to the rules 
    that reduce the existence of or scope of this mandatory duty to issue 
    post-closure permits in a timely manner violate section 3005(c) of 
    RCRA, and that Congress enacted the permit deadlines based upon the 
    rules then in effect.
        EPA agrees that section 3005(c) of RCRA required the Administrator 
    to issue or deny a final permit for each applicant for a land disposal 
    permit by November, 1988. EPA also agrees that, so long as its 
    regulations require it to issue post-closure permits to land disposal 
    facilities, those post-closure permits are subject to the statutory 
    deadline. EPA, however, does not agree that section 3005(c) deprives it 
    of authority to determine whether post-closure permits are necessary or 
    desirable means of imposing post-closure care requirements. Section 
    3005(c) imposes a deadline for permitting, but does not define the 
    scope of the permitting requirement.
        In 1982, when EPA promulgated the post-closure permit requirement, 
    it had discretion under the statute to choose a procedural mechanism 
    for imposing post-closure care requirements on facilities that closed 
    while in interim status. It selected permits rather than interim status 
    closure plans or other alternatives. The fact that Congress enacted a 
    deadline for issuing permits to land disposal facilities in 1984 did 
    not change that discretion. Nothing in the statute or the legislative 
    history of the section 3005(c) indicates that Congress was aware of or 
    concerned about EPA's use of permits to impose post-closure care 
    requirements at facilities closing under interim status. The 
    legislative history of other portions of the 1984 amendments suggests 
    that Congress was concerned that EPA's 1984 regulations for land 
    disposal facilities imposed more stringent requirements for ground-
    water monitoring and closure on permitted facilities than on interim 
    status facilities. EPA, however, has eliminated this discrepancy, 
    amending the rules for closure on March 19, 1987 (see 52 FR 8704), and 
    the rules for groundwater monitoring today.
        Essentially, this commenter argues that Congress ``ratified'' EPA's 
    1982 post-closure permit rule, making it part of the statute so that 
    EPA could no longer revisit it. EPA does not agree with this 
    interpretation of section 3005(c). Nothing in the statute or the
    
    [[Page 56718]]
    
    legislative history suggests that Congress wanted to prohibit EPA from 
    revising this part--or, indeed, any part--of the rules defining the 
    scope of the permit requirement. The same is true for the requirement 
    for public participation in permitting set out in section 7004(b)(1) of 
    RCRA. There is no evidence that Congress intended the public 
    participation requirements to create a statutory duty to issue post-
    closure permits.
        EPA acknowledges that it could deny post-closure permits for all of 
    the land disposal facilities that obtain enforceable documents in lieu 
    of post-closure permits. Permit denials would satisfy the requirement 
    of section 3005(c) to issue or deny final permits. EPA, however, does 
    not believe that Congress intended it to impose a deadline on the 
    denial of permits for facilities no longer obligated to have them. The 
    Agency believes it is simply not reasonable to interpret the statute to 
    require EPA to spend scarce resources on actions with so little 
    environmental significance.
        Other commenters questioned whether issuance of an alternate 
    mechanism would terminate interim status. This rule does not modify the 
    requirements to terminate interim status, which are outlined in 
    Sec. 270.73. Thus, facilities that have units that closed with waste in 
    place under interim status, and do not receive a post-closure permit as 
    a result of this rule, will remain in interim status until there is 
    final disposition of a permit application (in the case of these closed 
    facilities, a permit denial) under Sec. 270.73(a). EPA recognizes that 
    owners and operators may want to terminate interim status when all RCRA 
    activities are complete at a facility to bring finality to those 
    activities, and that this is an important issue not only to facilities 
    subject to post-closure requirements, but to all facilities that closed 
    without obtaining a RCRA permit. EPA plans to issue guidance related to 
    denial of permit applications for purposes of terminating interim 
    status at closed facilities that have completed all RCRA activities, 
    including facility-wide corrective action.
        The Agency agrees that some integration of the closure and 
    facility-wide corrective action requirements is warranted. The Agency 
    has taken steps in this final rule to address the situation where two 
    units are involved in the same remedy and there is potential for the 
    two sets of requirements to conflict.
        Other commenters raised concerns that the rule would affect EPA's 
    current policy of using only one authority--CERCLA or RCRA--at a site. 
    Another commenter conditioned support for the proposal on EPA 
    clarifying that it does not intend to modify its current Superfund 
    policy that defers remediation activities to RCRA corrective action 
    authority. On June 10, 1986, EPA published a final policy that allowed 
    the Agency to defer listing RCRA-related sites on Superfund's National 
    Priorities List (see 51 FR 21054). This commenter is concerned that if 
    the Agency adopts the rule as proposed, which would allow use of 
    Superfund orders as an alternative mechanism for RCRA post-closure 
    permits, then the Agency would begin to deviate from that policy. The 
    commenter believes that the reasons for deferral to RCRA authority 
    cited in the deferral policy are still valid.
        This rule does not modify the Agency's current policies related to 
    the applicability of CERCLA and RCRA at hazardous waste sites. For 
    example, the rule does not affect CERCLA listing policy. The Agency 
    expects that RCRA facilities will, generally, continue to be handled 
    under RCRA, rather than CERCLA. Rather, the result of this rule is that 
    once the Agency decides to address a site under CERCLA authority, EPA 
    is no longer required to issue a post-closure permit at the site, as 
    long as the CERCLA cleanup has the same scope as a corrective action 
    cleanup would have.
    2. Requirements for Alternative Mechanisms
        Under the provisions of this rule that remove the requirement for 
    post-closure permits, regulated units that do not obtain a post-closure 
    permit generally will remain subject to the requirements for interim 
    status units throughout the post-closure care period. However, because 
    the interim status post-closure care requirements are in some respects 
    less stringent than post-closure permit requirements, the Agency is 
    promulgating Sec. 265.121. This section recognizes the difference in 
    substantive requirements applicable to permitted and interim status 
    post-closure units, and assures that this rule will not result in less 
    stringent requirements at units addressed through alternate mechanisms.
        Specifically, Sec. 265.121 requires owners and operators of 
    regulated units addressed through an alternate mechanism to comply with 
    the groundwater requirements of Part 264 Subpart F (with respect to 
    that unit), to submit information required under Part 270, and to 
    address facility-wide corrective action. EPA will review State order 
    authorities to ensure that they are capable of imposing these 
    requirements before authorizing States to use them.
        a. Part B Information Submission Requirements (Sec. 265.121(a)(1)). 
    i. Overview. To ensure substantive equivalency of authorities used in 
    lieu of post-closure permits, this rule requires owners and operators 
    to submit the Part 270 information specifically required for post-
    closure permits, upon request by the Agency, when an enforceable 
    document is issued in lieu of a post-closure permit. The information 
    submission requirements for post-closure permits are promulgated in 
    this final rule in Sec. 270.28, and are discussed in detail in section 
    III.D. of this preamble. Section 270.28 specifies information the 
    Agency believes will be important for all post-closure permits, and, in 
    turn, for all enforceable documents issued in lieu of post-closure 
    permits, that is, groundwater characterization and monitoring data, 
    information related to long-term care of the regulated unit and 
    monitoring systems, and information on SWMUs and possible releases.
        In addition, recognizing that additional information may be needed 
    on a site-specific basis, Sec. 270.28 also allows the Regional 
    Administrator to require any of the Part B information specified in 
    Secs. 270.17, 270.18, 270.20, and 270.21. Section 265.121(a)(1) adopts 
    this approach for enforceable documents issued in lieu of post-closure 
    permits as well.
        ii. Response to Comment. One commenter asked EPA to state 
    explicitly in the rule that facilities pursuing the alternative 
    approach would not be required to submit the information required in 
    Sec. 265.121(a)(1) any earlier than they would otherwise be required to 
    submit a Part B application. EPA agrees with the commenter that the 
    information would not be required earlier in the case of an alternate 
    authority than it would be in the case of a permit. In the case of 
    post-closure permits, the Agency typically calls in Part B information 
    when it is ready to begin working on the permit application. This has 
    become the Agency's practice because the Agency recognizes that, if 
    information is submitted earlier, it can become outdated and have to be 
    replaced when it is time to work on the permit. The Agency is extending 
    this practice to instances where a non-permit mechanism is used to 
    address post-closure care. As in the case of the post-closure permit, 
    the information required by Sec. 265.121(a)(1) for non-permitted 
    facilities need not be submitted to the Agency until the Agency 
    requests it.
    
    [[Page 56719]]
    
        b. Subpart F Groundwater Monitoring and Corrective Action Program 
    (Secs. 265.121(c)(3) and 264.90--264.100). i. Overview. This rule 
    requires owners and operators of facilities with regulated units 
    addressed through a non-permit mechanism under Sec. 270.1(c)(7) to meet 
    the requirements of Part 264, Subpart F. Section 265.118(c)(4) requires 
    that the post-closure plan include provisions that implement the Part 
    264 Subpart F requirements.\3\ This approach is designed to ensure 
    equivalent protection of human health and the environment at all 
    facilities, regardless of which legal authority used to address post-
    closure care. Commenters generally supported this approach, and the 
    Agency is promulgating this provision as proposed.
    ---------------------------------------------------------------------------
    
        \3\ Note that Secs. 264.90(f) and 265.90(f) of this rule amend 
    the requirements of Subpart F to allow the Regional Administrator to 
    replace Subpart F requirements at regulated units with requirements 
    developed through a corrective action process, in some cases (see 
    section III.B. of this preamble).
    ---------------------------------------------------------------------------
    
        ii. Response to Comment. Though many commenters supported the 
    proposed provision, others argued that it was an illegal expansion of 
    the Agency's statutory authority. EPA disagrees. The statute does not 
    limit EPA's ability to impose more stringent groundwater monitoring 
    requirements on interim status facilities. EPA developed the current 
    regulations based on the premise that facilities would remain in 
    interim status only temporarily and ultimately would receive permits 
    and become subject to the requirements of Part 264 for groundwater. As 
    a result of this rule, however, some facilities that closed while still 
    under interim status standards will not receive a permit. EPA believes 
    it is within the Agency's statutory authority to modify the regulations 
    and assure that those facilities ultimately comply with the more 
    stringent requirements of Part 264, whether a permit is issued or an 
    alternate authority is used to address post-closure care.
        One commenter conditioned support for the proposal on EPA removing 
    Part 264 groundwater requirements for regulated units, and requiring 
    instead that they have a groundwater monitoring and response program 
    that is necessary to protect human health and the environment.
        In the second part of this rule, EPA is providing discretion to 
    waive Part 264 groundwater monitoring only in cases where corrective 
    action will provide opportunities for oversight by the implementing 
    Agency. In other cases, the Agency continues to believe that it needs 
    the detailed requirements of Part 264, with interaction with the 
    overseeing agency, to ensure protection of human health and the 
    environment. In proposing to modify the requirement for post-closure 
    permits, the Agency did not intend to remove or modify the groundwater 
    requirements applicable to regulated units under post-closure permits--
    only to allow regulators to use a variety of mechanisms to impose those 
    requirements. Thus, EPA believes that commenter's request extends to 
    issues that are outside the scope of this rulemaking.
        c. Facility-Wide Corrective Action (Sec. 265.121(a)(2)). i. 
    Overview. This rule requires that authorities used at post-closure 
    facilities as alternatives to post-closure permits impose corrective 
    action requirements consistent with the statute and Sec. 264.101 of the 
    regulations. The rule does not specify the authorities that EPA or a 
    State could use to impose corrective action as an alternative to a 
    post-closure permit--only that the authority must be consistent with 
    RCRA corrective action requirements. Certainly, RCRA section 3008(h) 
    orders are appropriate, but EPA has not limited alternative authorities 
    to this section. State enforcement authorities analogous to section 
    3008(h) or State cleanup or superfund authorities also would be 
    appropriate, if they were used consistently with the requirements of 
    Sec. 265.121 (see requirements for State authorization in section 
    IV.D.1. of this preamble).
        In requiring facility-wide corrective action consistent with RCRA 
    section 3004(u) and (v) provisions, EPA does not intend to require that 
    cleanup programs relying on alternative authorities use the procedures 
    of EPA's Subpart S proposal (which the Agency significantly revised in 
    its May, 1996 ANPR) or permit requirements. Rather, the authorities 
    must be broad enough to meet the performance standards of Sec. 264.101. 
    For example, compliance with the National Contingency Plan (NCP) 
    procedures for remedy selection would satisfy these proposed 
    requirements. EPA wishes to emphasize, however, that an alternative 
    approach to corrective action at a facility, used in lieu of a permit, 
    must include a facility-wide assessment, must address releases of 
    hazardous wastes or constituents to all media from all SWMUs within the 
    facility boundary (as well as off-site releases to the extent required 
    under section 3004(v)--as necessary to protect human health and the 
    environment), and must be protective of human health and the 
    environment. Anything less than that, in EPA's view, would not meet the 
    basic requirements of RCRA sections 3004(u) and (v) or Sec. 264.101. 
    EPA believes that this proposed approach is appropriate because it 
    provides reasonable flexibility for regulatory agencies using available 
    authorities to address environmental problems at RCRA sites.
        ii. Response to Comment. Commenters generally supported this 
    provision, and many commenters agreed that the Agency should not 
    require corrective action procedures identical to those in EPA's 
    Subpart S proposal.
        Some commenters objected to the principle that corrective action be 
    consistent with the Subpart S proposal. These commenters believe that 
    because the Subpart S requirements and procedures are not final, it is 
    legally indefensible to base a rule on them. Another commenter believed 
    that until Subpart S regulations are codified and adopted, corrective 
    action clean-up standards should meet the RCRA closure performance 
    standard.
        EPA agrees that alternative authorities used to address corrective 
    action should be consistent with promulgated standards and with the 
    statute. EPA did not intend this rule to require compliance with 
    portions of the Subpart S proposal that have not yet been made final. 
    Rather, this rule requires that the authorities must be consistent with 
    promulgated Sec. 264.101. It should be noted that authorities 
    consistent with Sec. 264.101 include provisions originally proposed 
    under Subpart S, that is, provisions allowing designation and use of 
    corrective action management units (Sec. 264.552) and temporary units 
    (Sec. 264.553).
    3. Public Involvement (Sec. 265.121(b))
        a. Overview. The public involvement provisions proposed in the 
    November 8, 1994 rule are modified in this final rule. In the November 
    8, 1994 rule, the Agency proposed to require a minimum level of 
    mandatory public participation for all facilities where alternate 
    authorities were used in lieu of post-closure permits. Proposed 
    Sec. 262.121(b) would have established the following requirements at 
    the point of remedy selection: (1) public notification of the proposed 
    remedy through a local newspaper; (2) opportunity for public comment 
    (at least 30 days); (3) availability of a transcript of the public 
    meeting; (4) availability of a written summary of significant comments 
    and information submitted, and the EPA or State response; and, (5) if 
    the remedy is significantly revised during the public participation 
    process, a written summary of significant changes or opportunity to 
    comment on a revised remedy selection. The Agency proposed an exception 
    to these requirements in
    
    [[Page 56720]]
    
    Sec. 265.121(b)(2), whereby if a delay in the implementation of the 
    remedy would adversely affect human health or the environment, EPA 
    could delay the implementation of the public involvement requirements.
        This final rule requires the Regional Administrator to assure that 
    a meaningful opportunity for public involvement occurs, which includes, 
    at a minimum, public notice and opportunity for comment, at three key 
    stages--when EPA or the authorized State agency first becomes involved 
    in the cleanup process as a regulatory or enforcement matter, when EPA 
    or the authorized State Agency is ready to approve a remedy for the 
    site (this opportunity must include a chance to comment on the 
    assumptions on which the remedy is based), and when EPA or the 
    authorized State is ready to decide that remedial action is complete at 
    a facility. The rule does not limit public involvement to these stages 
    of cleanup; rather, it encourages early, open, and continuous 
    involvement of the public when alternate authorities are used at a 
    facility in lieu of post-closure permits, similar to the public 
    involvement provided by the permitting process. In addition to 
    notifying the public at these three key stages, EPA believes meaningful 
    public involvement includes regular updating of the community on the 
    progress made cleaning up the facility.
        Additionally, it is the Agency's expectation that owners and 
    operators conducting cleanups prior to the Agency's or authorized 
    State's involvement will involve the public in decisions throughout the 
    remediation process. Owners and operators should provide notice and 
    opportunity to comment prior to selecting a remedy if they wish to 
    later rely on that remedy as part of an enforceable document issued in 
    lieu of a post-closure permit. The Agency took this approach based on 
    several considerations.
        First, it is EPA's policy to encourage public involvement early and 
    often in the permitting process, in its remediation programs, as well 
    as in other Agency actions. EPA wanted this rule to be consistent with 
    that policy.
        Second, EPA recognized that the post-closure permit process assures 
    opportunity for public involvement at the time of permit issuance, and 
    through the permit modification procedures. EPA wanted this rule to 
    provide similar opportunities when an alternate authority is used to 
    address a facility.
        Third, EPA recognized that existing State and Federal authorities 
    provide for public involvement through widely varying processes. EPA 
    wanted to provide sufficient procedural flexibility to minimize the 
    likelihood that States would have to modify the public involvement 
    provisions of their existing cleanup programs to qualify for 
    authorization, yet EPA wanted to assure, at the same time, that those 
    programs provided for meaningful public participation at key stages of 
    the remediation process.
        Fourth, EPA recognizes that many cleanup activities have taken 
    place prior to promulgation of this rule and others will take place 
    prior to the adoption of the State's program for this rule through 
    Federal, State, and facility-initiated actions, and EPA recognizes that 
    those cleanups may or may not have involved the public in the way 
    specified in the final rule. In cases where the cleanup began prior to 
    the effective date of the rule, EPA did not want to require post-
    closure permits to be issued simply because the early stages of public 
    involvement procedures of this rule were not met.
        Finally, EPA recognized that in some cases, where delay in a 
    cleanup might have an impact on human health and the environment, 
    public involvement may not be possible prior to implementation of the 
    remedy. EPA did not want to delay cleanup in those cases, but wanted to 
    assure that the public was involved in the process as promptly as 
    possible after the emergency was addressed. EPA wanted this rule to 
    allow cleanups to take place immediately in these cases, but assure 
    that public involvement would follow at the earliest opportunity. As 
    explained below, the final rule authorizes EPA or the authorized State 
    to modify public involvement requirements in those circumstances.
        This rule encourages early public involvement by requiring public 
    involvement (which at a minimum includes public notice and opportunity 
    for comment) as soon as the authorized regulatory agency becomes 
    involved in the cleanup process as a regulatory or enforcement matter 
    (unless this might lead to a delay in the cleanup that would adversely 
    affect human health and the environment). In most cases, the Agency 
    anticipates, this will be very early in the process, prior to remedy 
    selection--certainly before any Agency-prescribed remedies occur 
    (except in cases of emergency). For example, the affected community 
    should be notified and given an opportunity to comment prior to the 
    initiation of any activity to assess contamination or prior to the 
    implementation of any interim measure. By requiring early public notice 
    of activities at a site, the Agency intends this rule to encourage 
    involvement of the public throughout the cleanup process.
        EPA proposed to require public involvement during the remedy 
    selection process. EPA is retaining this requirement in the final rule. 
    EPA has, however, made the requirement more specific by requiring 
    public notice and comment on both the proposed remedy and the 
    assumptions upon which it is based, including site characterization and 
    land use.
        The Agency understands ``remedy selection'' as a term of art in the 
    RCRA corrective action or in the Superfund process, where the 
    regulatory agency either selects or approves a remedy proposed by the 
    owner or operator. In some cases an owner or operator may implement an 
    action that could be considered a ``remedy'' prior to the Agency or 
    State's involvement or oversight. The owner or operator should provide 
    notice and opportunity to comment on the prospective remedy and its 
    underlying assumptions, otherwise, any enforceable document developed 
    later may not be eligible to substitute for a post-closure permit. In 
    those cases, the owner or operator may have to follow the permit 
    process to obtain a post-closure permit or to obtain a permit denial 
    (if no further action is necessary).
        This rule also requires public involvement to assure that notice 
    and opportunity to comment take place prior to the Agency or authorized 
    State deciding that remedial action is complete at a facility. When 
    additional corrective action is no longer needed, the Agency could 
    terminate an enforcement order or terminate interim status at the 
    facility through the permit denial process in Part 124. Either process 
    would ensure full opportunity for public participation, including 
    permit appeal provisions. The rule, however, would allow alternative 
    mechanisms, as long as the Agency or the authorized State provided 
    public notice of its actions, and opportunity to comment prior to 
    making the final decision that remedial action is complete at the 
    facility.
        This rule also requires that all public involvement be meaningful. 
    Meaningful public participation is achieved when all impacted and 
    affected parties have ample time to participate in the facility cleanup 
    decisions. In many cases meaningful public involvement will require 
    careful planning and more than notice and opportunity for comment. In 
    some cases, meaningful public notice may require bilingual 
    notifications or publication of legal notices in city or community 
    newspapers (or other media, such as radio, church organizations and
    
    [[Page 56721]]
    
    community newsletters). EPA recommends that parties responsible for 
    involving the public provide information at all key milestones in the 
    remediation process, and site fact sheets. Existing forums of community 
    communication such as regular community meetings and electronic 
    bulletin boards can be used to provide regular progress reports on the 
    facility cleanup. Additionally, EPA recommends that parties responsible 
    for involving the public update the community regularly on the progress 
    made cleaning up the facility.
        Often, the level of public involvement will depend on the 
    significance of the action--for example, the Agency may simply notify 
    the public of a decision to remove a small quantity of waste, but 
    higher levels of involvement would be called for at remedy selection in 
    a major remedial action, or when a decision is made that may impose 
    significant restrictions on land use. For these reasons, EPA believes 
    that public involvement should be tailored to the needs at the site, 
    and has provided flexibility in this rule.
        EPA has long recognized that the level of public involvement should 
    be determined by the significance of the action taking place. For 
    example, in a final rule dated May 24, 1993 (see 58 FR 29886), EPA 
    promulgated regulations to govern modification of permits. Those 
    regulations established different levels of public involvement 
    depending on the significance of the permit modification. Class 1 
    modifications require minimal public involvement--the permittee must 
    send a notice of the permit modification to all persons on the facility 
    mailing list, and to the appropriate units of State and local 
    government. Persons may request review of the permit modifications. 
    Class 3 modifications, on the other hand, require far more extensive 
    involvement of the public--publication in a local newspaper, a public 
    meeting, and a public comment period. To assist owners and operators in 
    implementing the rule, in Appendix 1 to Sec. 270.42, EPA classified 
    different activities as class 1, 2, or 3 modifications, based on the 
    significance of the action.
        EPA also issued guidance on public involvement which complements 
    the approach in this rule (see the RCRA Public Participation Manual, 
    September, 1996, EPA 530-R-96-007). This manual provides guidance on 
    addressing public participation in the permit process, including 
    permitting and enforcement remedial action activities. It emphasizes 
    the importance of cooperation and communication, and highlights the 
    public's role in providing valuable input. It stresses the importance 
    of early and meaningful involvement of the public in Agency activities, 
    and of open access to information. In addition to the manual, EPA fully 
    endorses The Model Plan for Public Participation, developed by the 
    Public Participation and Accountability Subcommittee of the National 
    Environmental Justice Advisory Council (a Federal Advisory Council to 
    the U.S. Environmental Protection Agency). The Model Plan encourages 
    public participation in all aspects of environmental decisionmaking. It 
    emphasizes that communities, including all types of stakeholders, and 
    regulatory agencies should be seen as equal partners in any dialogue on 
    environmental justice issues. The model also recognizes the importance 
    of maintaining honesty and integrity in the process by clearly 
    articulating goals, expectations and limitations. EPA encourages 
    regulators and owners and operators implementing the provisions of this 
    final rule to refer to these guidances.
        It should be noted that the Agency proposed in Sec. 265.121(b)(2) 
    to allow the Regional Administrator to delay or waive the public 
    participation requirements upon a determination that even a short delay 
    in the implementation of the remedy would adversely affect human health 
    or the environment. EPA believes this flexibility is important to 
    assure protection of human health and the environment, and has 
    promulgated that provision, with minor revisions, in this final rule.
        It also should be noted that the Agency proposed a 
    Sec. 265.121(b)(3), which would have allowed EPA to address a facility 
    using an approved alternate authority where cleanup activities were 
    conducted prior to the effective date of this rule, but the public 
    involvement procedures of this rule were not met. That provision would 
    have required the Agency to conduct public involvement before 
    considering the facility fully addressed under Sec. 270.1(c)(7)(ii). 
    The Agency has retained this provision.
        b. Response to Comment. EPA received a variety of comments on the 
    public involvement provisions of this rule. Some commenters believed 
    the Agency had not gone far enough to assure public participation when 
    alternate authorities are used in lieu of permits; others agreed with 
    the Agency's approach; and others believed the public participation 
    provisions of the proposal were too stringent. EPA considered those 
    comments in developing the public involvement provisions of this final 
    rule. Those comments are discussed below.
        i. The proposed rule did not preserve public involvement procedures 
    when an alternate mechanism is used. Many commenters believed that, 
    despite statements in the preamble to the contrary, the Agency had not 
    gone far enough in the proposed rule to preserve the public involvement 
    procedures when alternate authorities are used in lieu of post-closure 
    permits. These commenters believed that if the Agency allows alternate 
    authorities to replace post-closure permits, it should assure that the 
    public involvement procedures of the alternate authority are equivalent 
    to that of a permit. These commenters believed that the proposal failed 
    to do so in several respects.
        First, these commenters noted that public participation was 
    required by the proposal only at the time of remedy selection. 
    Commenters pointed out that remedy selection occurs at a later stage of 
    the remedial action process, following the development of schedules of 
    compliance, and the preparation and evaluation of plans, reports, and 
    remedial investigations. They pointed out that many decisions have 
    already been made by the point of remedy selection, and that earlier 
    public involvement allows more meaningful opportunity to affect those 
    decisions. Commenters noted that when remedial action is implemented 
    through a permit, these steps are subject to public participation 
    requirements, through either permit issuance or permit modification 
    procedures.
        EPA agrees with the concerns raised by these commenters and that 
    the public should be included in the decisionmaking process as early as 
    possible. EPA agrees that early public participation provides the 
    community a more meaningful role in the process.
        To address these concerns, this rule requires public involvement to 
    begin when the authorized agency first becomes involved in the cleanup 
    process as a regulatory or enforcement matter. The Agency anticipates 
    that, in most cases, this will be very early in the cleanup process, 
    prior to proposed remedy selection.
        Second, several commenters objected that no rights of appeal are 
    provided or guaranteed when an alternative mechanism is used in lieu of 
    a permit, even though such rights are provided in the permitting 
    process. These commenters believed that these appeal rights must be 
    preserved as part of the final rule for alternative mechanisms to be as 
    protective as the post-closure permit. These commenters pointed out 
    that under existing procedures, a hearing is available under Part 124 
    procedures to challenge a permit, while
    
    [[Page 56722]]
    
    EPA hearing procedures established for the respondent only under 
    section 3008(h), Part 24 are less formal and comprehensive. Also, no 
    pre-enforcement review is available for CERCLA 106 orders. These 
    commenters believe that an alternate authority used in lieu of a post-
    closure permit should be reviewable under Part 124.
        EPA recognizes that this rule does not guarantee pre-enforcement 
    review of remedies implemented through alternate authorities. However, 
    neither RCRA nor the Administrative Procedure Act require EPA to 
    provide opportunities for the public to obtain judicial review of 
    enforcement orders. For example, no such review is required under 
    section 3008(h). Further, EPA believes that the ability to require 
    prompt cleanup is important to assuring protection of human health and 
    the environment. The new rule will make it easier to require cleanup at 
    facilities where permit issuance would have been difficult or 
    impossible. Thus, on balance, the rule promotes environmental 
    protection. Finally, issuance of these alternatives orders does not 
    terminate interim status. To terminate interim status, the Agency must 
    make a final permit determination under the procedures of Part 124, and 
    that decision, like a decision to issue a permit, is reviewable. 
    Members of the public who believe that additional cleanup is required 
    to meet the requirements of Sec. 264.101 can raise that issue at that 
    time.
        One commenter objected that the proposal is at odds with Executive 
    Order 12898, which instructs EPA to ensure greater public participation 
    by minority and low-income populations at hazardous waste sites. This 
    commenter expressed concern that the rule as proposed would further 
    isolate vulnerable populations from the decisionmaking process.
        EPA disagrees with commenter that the effect of this rule will be 
    to isolate minority and low-income populations from the decisionmaking 
    process. EPA has promulgated requirements in this final rule that 
    assure meaningful involvement of the public in cleanups at post-closure 
    facilities regardless of the mechanism used. These requirements will 
    apply to all post-closure facilities, and will benefit all populations, 
    including minority and low-income. In addition, EPA emphasizes that it 
    will implement the rule in full compliance with Executive Order 12898. 
    Other commenters pointed out that Part 124 requires a 45-day public 
    comment period, while the proposal required only 30 days. Some 
    commenters believed that the procedures associated with alternative 
    post-closure mechanisms should follow the public participation 
    procedures associated with permit issuance to make sure coverage is 
    adequate and consistent. One commenter suggested that the rule specify 
    a minimum comment period, and allow a longer period, at the Regional 
    Administrator's discretion. Another commenter believed that since EPA 
    has not demonstrated that public involvement procedures are hindering 
    cleanups, there is no justification for lesser procedures.
        EPA disagrees with the commenters that minimum comment period times 
    or specific procedures are necessary, and did not establish detailed 
    procedural requirements for public involvement in this final rule. 
    However, EPA does expect the public to be given an opportunity to get 
    involved early in the process and ample time to participate in the 
    facility cleanup decisions. EPA took this approach because it 
    recognizes that many different approaches to public participation have 
    proved successful, and it did not wish to restrict existing State or 
    Federal programs unnecessarily. The approach in this rule allows States 
    to implement their own established procedures--as long as they provide 
    for public notice and comment at the key stages in the process required 
    by this rule.
        ii. The public involvement procedures of the proposed rule were 
    adequate. Other commenters believed that the level of public 
    participation proposed by the Agency was adequate, and would provide an 
    effective mechanism for adequately informing the public with regard to 
    proposed remedies, and allowing public comment and public involvement 
    in the remedy selection process.
        Other commenters who generally agreed with the Agency's approach, 
    requested some modifications in the final rule. One such commenter 
    supported the requirement for public participation during the remedy 
    selection process, but believed that the rule should also include a 
    requirement for a brief description of the scope of the contamination 
    to be remediated, if any, and a requirement for the placement of 
    supporting documents in a local information repository. Another 
    commenter believed that the rule must explicitly require that public 
    access to information submitted for alternative mechanisms should be 
    provided as if the information were contained in the Part B permit 
    application.
        EPA agrees that this type of information should be made available 
    to the public, and anticipates that it will, where appropriate. 
    However, as discussed above, the Agency is not prescribing detailed 
    procedural requirements for public involvement in this final rule. The 
    Agency intends this rule to provide meaningful public involvement 
    while, at the same time, provide maximum flexibility to States to 
    implement their cleanup programs. The Agency recognizes that, clearly, 
    public involvement cannot be meaningful if there is not adequate access 
    to information and, therefore, the Agency encourages regulators and 
    owners or operators to make information regarding the site available to 
    the public. At the same time, the Agency does not want to prescribe in 
    detail in this final rule when and how the regulatory agency should 
    provide information to the public. By requiring meaningful involvement 
    of the public, the Agency believes that this final rule addresses 
    commenter's concerns by requiring meaningful public involvement, which 
    includes adequate access to information, and that detailed regulations 
    prescribing access to specific information are not necessary.
        One commenter agreed with the provision of the proposal that would 
    allow EPA to waive public involvement procedures where immediate action 
    is necessary to protect human health or the environment, but believed 
    that public involvement should not be waived for long-term actions. EPA 
    agrees with this commenter and the rule reflects this approach. In 
    proposing the waiver provision of Sec. 265.121(b), EPA intended to 
    allow regulatory agencies to delay public involvement and get cleanup 
    underway immediately, where necessary to protect human health and the 
    environment, but not to remove the requirement for public 
    participation. In response to this comment, EPA has modified the 
    regulatory language of Sec. 265.121(b) in this final rule to clarify 
    the Agency's intent.
        iii. The public involvement procedures of the proposed rule were 
    too stringent. A third group of commenters believed that the public 
    involvement requirements of the proposal were too stringent, and did 
    not provide enough flexibility to the States. For example, one 
    commenter stated that the proposed public participation requirements 
    for alternative mechanisms were excessive, unnecessary, and 
    inconsistent with existing public participation requirements. Another 
    stated that there is no need for public participation for remedial 
    action orders and closure plan approval to be equivalent to the 
    requirements of Part 124 and Part 270, and that alternate, less 
    stringent procedures would suffice.
    
    [[Page 56723]]
    
        EPA believes that public involvement is important in all agency 
    actions, including enforcement orders. Consequently, EPA is requiring 
    public participation at three key stages.
        Some commenters believed that EPA should defer to State programs 
    for public involvement as long as they provide basic due process and 
    reasonable public input. These commenters believed that States should 
    have reasonable flexibility to make site-specific determinations 
    regarding the level of public participation that is appropriate at a 
    site, and to adopt public involvement procedures that meet the needs of 
    their own State. They believed that the benefits of public comment are 
    preserved by requiring the States to provide public notice, and that 
    specific differences in process are of differences of degree, and not 
    substance.
        EPA agrees that many States have developed cleanup programs with 
    appropriate public involvement, and has tried to balance the need to 
    ensure adequate public participation against requirements that 
    constrain States. EPA believes the approach in the final rule strikes 
    an appropriate balance. EPA, for example, allows States to decide how 
    much notice must be given, and how long comment periods must last.
        Some commenters believed that the proposal would expand the current 
    requirements for public involvement. According to these commenters, 
    when post-closure permits are modified to incorporate a proposed 
    remedy, the current requirements for permit modification require 
    publication in a newspaper for seven days, a public hearing, and a 60-
    day public comment period, regardless of how the action is changed 
    based on public comment. The proposal would require much more at remedy 
    selection, thus would be more expansive than the existing regulations. 
    To maintain consistency, commenters believed the rule should mirror the 
    public involvement procedures of Sec. 270.41.
        EPA acknowledges the commenter's concern, and believes that it has 
    addressed them by leaving the details of the notification process and 
    the length of the comment period to the discretion of the overseeing 
    agency.
        Some commenters did not agree that public involvement procedures 
    should apply to actions taken under section 3008(h), because public 
    comment on an enforcement proceeding would be inappropriate and would 
    unnecessarily complicate and confuse the process, while increasing 
    costs and delaying the process. One commenter pointed out that the 
    public currently has no assurance it will have opportunity to 
    participate in the remedial action process when remedial action is 
    implemented through an enforcement order, as the Agency's enforcement 
    programs have discretion to limit public participation, yet there is no 
    evidence that the lack of public participation in enforcement orders 
    has been detrimental to the process.
        EPA disagrees with this commenter that public involvement 
    unnecessarily complicates and confuses the cleanup process--in fact, 
    the Agency believes that the public is an important contributor to the 
    cleanup process. It helps ensure that remediation does, in fact, 
    protect human health and the environment, and that remedies are based 
    upon reasonable assumptions, including assumptions of future land use. 
    EPA is committed to public involvement in its oversight of cleanup 
    decisions, and the Agency's policy is to provide for meaningful public 
    notice and comment with every section 3008(h) order. The requirements 
    promulgated in this final rule are consistent with current EPA guidance 
    on section 3008(h) orders.
        Another commenter believed that EPA should recognize the wide array 
    of actions that may occur, from small to significant, and the 
    increasing tendency to accomplish remedial action through a series of 
    interim measures, rather than a single major action. This commenter 
    believed that the Agency should tailor public participation measures to 
    ensure participation during significant actions without slowing the 
    conduct of the program by requiring extensive administrative procedures 
    for each and every small action that may be taken. The commenter 
    believed that the public participation measures should be flexible 
    enough to ensure adequate public involvement and avoid serving as yet 
    another brake on the system.
        EPA believes that the approach to public involvement in this final 
    rule addresses this commenter's concern. The rule requires public 
    involvement when the Agency becomes involved in a remediation at the 
    facility as a regulatory or enforcement matter; on the proposed 
    preferred remedy and the assumptions upon which the remedy is based, in 
    particular those related to land use and site characterization; and 
    prior to making the final decision that remedial action is complete at 
    the facility. EPA expects that these requirements will be applied 
    flexibly, and it does not expect ``extensive administrative procedures 
    for each and every action.'' For example, in some cases, public comment 
    might be provided on a general strategy, which included interim 
    measures as well as specific final cleanup standards. In other cases, 
    the public might prefer monthly or quarterly updates to activity-by-
    activity notice. The point is that the public must have early 
    involvement and must have an opportunity to comment before the 
    regulatory agency commits itself to a final remedy or decides final 
    remedial action is complete at the facility. Within this framework, EPA 
    believes the regulatory agency has opportunity to structure a 
    reasonable approach based on the needs at the site. At the same time, 
    the public is put on notice early in the process that activities are 
    taking place.
    4. Enforceable Documents Issued Prior to the Effective Date of This 
    Rule (Sec. 265.121(b)(3))
        a. Overview. It is likely that, prior to final promulgation of this 
    rule EPA and authorized States will have required site assessments or 
    cleanup under a variety of authorities, other than post-closure 
    permits, at facilities currently subject to post-closure permit 
    requirements. Most of these actions, if taken after promulgation, would 
    have satisfied the requirements of this rule. EPA proposed and is 
    taking final action to provide a means to give credit to such prior 
    cleanup actions by soliciting public comment on the activities 
    conducted before the effective date of the rule.
        Under Sec. 265.121(b)(3), EPA must provide an opportunity for 
    public comment if the enforceable document imposing those remedies is 
    intended to be used in lieu of a permit. Depending on public comment, 
    EPA may impose additional requirements either by amending the existing 
    order, issuing a new order, modifying the post-closure plan, or 
    requiring a post-closure permit.
        b. Response to Comment. Several commenters objected to this 
    provision of the rule.
        According to one commenter, the proposed approach, if designed to 
    provide finality to owners or operators, was a good idea in that it 
    could provide them with early assurance that they would not have to 
    repeat closure, post-closure, cleanup or investigations at a later 
    date. However, this commenter strongly opposed this provision to the 
    extent that it contemplates any such post hoc adequacy determinations 
    would be the impetus to reinvestigate and/or require additional 
    remedial actions with respect to prior closure/post-closure activities. 
    In addition, the commenter believed that when an owner or operator 
    receives an adequacy determination under proposed Sec. 265.121(c) for 
    prior closure/post-closure activities under an alternative legal 
    authority, these activities should
    
    [[Page 56724]]
    
    be expressly recognized as adequate in any subsequently-issued permit 
    to assure the finality of any prior closure/post-closure 
    determinations.
        Another commenter opposed any effort to retroactively apply new, 
    more restrictive standards (for public involvement or selection of 
    remedies) to past remedial actions, and to approved closures. According 
    to the commenter, actions undertaken in good faith by the owner or 
    operator with Agency approval should be done with reasonable assurance 
    that they will be considered completed. The commenter believed that 
    uncertainty would discourage remedial actions.
        Another commenter believed that this provision is beyond EPA's 
    statutory authority. This commenter believed that EPA cannot 
    conveniently ignore agreements entered into by it or States that were 
    presumably within their authority. This issuance of a new regulation 
    does not allow EPA to void binding agreements. Owners that have 
    encouraged the Agency to use an order or consent agreement to oversee 
    remedial action could be required to implement different remedial 
    actions simply because EPA promulgates a new regulation. The commenter 
    believed that this provision would impose more onerous requirements for 
    responsible owners and operators of facilities that are currently 
    implementing remedial action.
        Another commenter suggested that before reopening an action, EPA 
    should be required to demonstrate that the cleanup was not protective 
    of human health and the environment. Another commenter expressed 
    concern that any action undertaken in the past would be unlikely to 
    meet current regulatory requirements, yet was likely taken by a 
    cooperative facility aggressive in fulfilling its regulatory 
    obligations at the time. According to the commenter, to reevaluate 
    these facilities without any indication of potential environmental harm 
    would create a costly administrative burden to both the Agency and the 
    owner or operator, without any benefit to human health and the 
    environment.
        EPA agrees with the commenters that expressed concern about any 
    uncertainty that might arise for owners and operators due to this 
    provision. However, EPA disagrees that this is the effect of this 
    provision. This provision does not impose new requirements on owners 
    and operators retroactively, since owners and operators were subject to 
    RCRA permit requirements (including section 3004(u)) prior to this 
    rule. Instead, Sec. 265.121(e) would extend the benefits of this rule 
    to post-closure activities or cleanups conducted under enforceable 
    documents issued before the rule was in effect even where these 
    documents had not included public involvement. (Where the public had 
    already had an opportunity to comment on the mechanism, there would be 
    no need to invoke this provision.) EPA does not intend this provision 
    to result in duplicative regulatory action, or to allow reopening of 
    decisions that had already been made. Instead, it would simply ensure 
    the public's opportunity to comment on a mechanism being used in lieu 
    of a permit, if the public had not had an opportunity up to that point.
        EPA can understand the commenter's concerns about re-opening past 
    cleanups. EPA and authorized States certainly do not expect to re-open 
    acceptable remedies where they are already underway. EPA believes that, 
    in most situations, the public would have been involved in the remedy 
    selection. In cases where the public was involved, the Agency does not 
    intend this provision to provide an opportunity to revisit issues that 
    already were raised and addressed. Rather, the provision is designed to 
    make this final rule available to facilities that may have begun 
    cleanup prior to the effective date, while, at the same time, assuring 
    that the public has had opportunity to raise issues prior to the 
    Agency's final decision that corrective action is not needed or is no 
    longer need at the site. Even under the current corrective action 
    process, remedies undertaken before the permit is issued are typically 
    incorporated into the permit through the permit procedures. Owners and 
    operators of closed interim status facilities or non-RCRA State 
    programs currently may conduct cleanups outside the post-closure permit 
    process. When EPA or a State issues a post-closure permit, it must 
    determine that any prior cleanup meets the requirements of RCRA section 
    3004(u). If it does not--that is, if the cleanup is not protective of 
    human health and the environment, or there are significant areas it 
    does not address--EPA or the State may impose permit requirements 
    requiring additional remediation work. Citizens may also raise the same 
    issues in comment periods on draft post-closure permits and in 
    challenges to permits that are issued. Thus, facilities face these 
    issues regardless of whether or not EPA allows older cleanups to be 
    recognized under this new alternative to post-closure permits.
        In any case, EPA expects owners and operators conducting cleanups 
    without involving EPA to involve the public at an early stage. EPA 
    strongly discourages owners and operators from waiting until the end of 
    the process to involve the public. If concerns are raised by the public 
    regarding the actions taken under the alternative mechanism, EPA may 
    require additional action through an order or permit. Therefore, EPA is 
    promulgating Sec. 265.121(b)(3).
    
    C. Remediation Requirements for Land-Based Units With Releases to the 
    Environment
    
    1. Overview
        In the 1994 notice, EPA requested comment on the possibility of 
    allowing the Regional Administrator to establish groundwater 
    monitoring, closure and post-closure, and financial assurance 
    requirements on a site-specific basis at regulated units addressed 
    through the corrective action process (see 59 FR 55778 at 55787-88). 
    EPA specifically requested comment on this prospect for regulated units 
    clustered with non-regulated units, all of which were releasing 
    hazardous constituents to the environment, because of the concern that 
    two different regulatory regimes would apply--for example, the 
    regulated units could be subject to the detailed requirements of Part 
    264 (which were developed as a preventive requirement), while the non-
    regulated units could be subject to the more flexible remedial 
    requirements for corrective action under Sec. 264.101 and associated 
    guidance.
        EPA is promulgating in this notice final rules that will provide 
    flexibility where a regulated unit is situated among SWMUs (or areas of 
    concern), a release has occurred, and both the regulated unit and one 
    or more SWMUs (or areas of concern) are suspected of contributing to 
    the release. The final rule described in this section allows EPA and 
    the authorized States to replace the regulatory requirements of 
    Subparts F, G, and H at certain regulated units with alternative 
    requirements developed under a remediation authority. This portion of 
    the rule is designed to eliminate some of the problems Regions and 
    States have encountered where two sets of requirements apply at a 
    cleanup site--requirements for closure at the regulated unit, and 
    corrective action requirements at the SWMUs. It applies to both 
    permitted and interim status units. It also applies to both operating 
    and closed facilities. Further, it can be used at closed facilities 
    using alternative authorities in lieu of post-closure permits.
        The closure process in Parts 264 and 265 was promulgated in 1982, 
    before the Agency had much experience with closure of RCRA units. Since 
    that time,
    
    [[Page 56725]]
    
    EPA has learned that, when a unit has released hazardous waste or 
    constituents into surrounding soils and groundwater, closure is not 
    simply a matter of capping the unit, or removing the waste, but instead 
    may require a significant undertaking to clean up contaminated soil and 
    groundwater. The procedures established in the closure regulations were 
    not designed to address the complexity and variety of issues involved 
    in remediation. Most remediation processes, on the other hand, were 
    designed to allow site-specific remedy selection, because of the 
    complexity of and variation among sites.
        Similarly, the groundwater monitoring requirements designed for 
    regulated units do not provide sufficient flexibility for complex 
    cleanups. The requirement to place wells at the downgradient edge of a 
    regulated unit often would not make sense if there are SWMUs further 
    downgradient. Also, the Part 264 regulations contain specific 
    requirements for the selection of cleanup levels for hazardous 
    constituents released to groundwater, and do not provide for 
    considerations of technical practicability, which are critical in a 
    remediation context. Corrective action and other remediation 
    authorities provide more flexible (yet protective) regimes for 
    selecting cleanup levels.
        Financial responsibility for closure or post-closure care may also 
    work at cross purposes with financial responsibility for corrective 
    action. It makes sense to allow a facility with funds set aside for 
    closure of a regulated unit to spend those funds on a broader 
    corrective action, when the regulated unit is being addressed in that 
    corrective action.
        This portion of this rule revises the requirements of Parts 264 and 
    265 Subparts F, G, and H, by adding new Secs. 264.90(f), 264.110(c), 
    264.140(d), 265.90(f), 265.110(d), and 265.140(d). Those provisions 
    allow EPA to address environmental needs at certain closing regulated 
    units with more flexible, but protective, site-specific requirements 
    developed through a remediation process. EPA is providing flexibility 
    where a Regional Administrator (or State Director) finds that a 
    regulated unit is situated among SWMUs (or areas of concern), a release 
    has occurred, and the regulated unit and one or more of the SWMUs (or 
    areas of concern) are likely to have contributed to the release.
        To provide greater flexibility for the cleanup of regulated units 
    in this situation, EPA is giving the Regional Administrator (or State 
    Director) discretion to replace the requirements for closure, 
    groundwater monitoring, and financial responsibility set out in Parts 
    264 and 265 with standards tailored specifically for the cleanup. For 
    closure, the new ``generalized'' standard is protecting human health 
    and the environment by meeting the closure performance standard in 
    either Sec. 264.111(a) and (b) or Sec. 265.111(a) and (b). For 
    groundwater monitoring and financial responsibility, the new standard 
    is protection of human health and the environment. The Regional 
    Administrator can use these new standards to integrate the cleanup 
    requirements for the regulated unit into the requirements for the SWMUs 
    developed under remediation authorities. In addition, to reduce 
    duplicative administrative processes, EPA is not requiring that the 
    alternative requirements be incorporated into the permit, closure plan, 
    and/or post-closure plan in all cases. In the case of permitted 
    facilities, alternative requirements for a regulated unit might be 
    included in the permit where related SWMUs were being addressed under 
    RCRA section 3004(u), the permitting corrective action authority. EPA, 
    however, wants the Regional Administrator to be able to use other 
    authorities to develop the requirements for regulated units and related 
    SWMUs, such as RCRA section 3008(h), CERCLA, and approved State 
    remediation authorities. This rule, therefore, allows the Regional 
    Administrator (or an authorized State) to determine that there is no 
    need to impose the unit-specific requirements of Part 264 or Part 265 
    because alternative requirements developed under an approved 
    remediation authority will protect human health and the environment. 
    The requirements for the regulated unit and the SWMUs developed under 
    that authority can be set out in the permit or in an approved closure 
    plan and/or post-closure plan, or can be set out in another enforceable 
    document (as defined in Sec. 270.1(c)(7)), and referenced in the permit 
    or approved closure plan and/or post-closure plan.
        For permitted facilities, EPA is modifying the requirements for 
    content of the closure plan and closure plan modification by adding new 
    Sec. 264.112(b)(8) and (c)(2)(iv), and post-closure plan content and 
    post-closure plan modification at Sec. 264.118(b)(4) and (d)(2)(iv) to 
    require owners and operators to incorporate the alternative 
    requirements into the closure plan and/or post-closure plan, or to 
    incorporate into those plans a reference to the enforceable document 
    (or permit section) that sets forth those requirements. To do so, the 
    owner or operator would use the existing procedures for closure plan 
    and post-closure plan approval and modification in Part 264, and for 
    permit modifications in Part 270. EPA expects that any such decision 
    would be a ``class 3'' modification.
        For interim status facilities, EPA is similarly adding new 
    Secs. 265.112(b)(8) and (c)(2)(iv) and 265.118 (c)(5) and (d)(1)(iv)to 
    require owners and operators to incorporate alternative requirements 
    into the closure plan and/or post-closure plan, or to incorporate into 
    those plans a reference to the enforceable document that sets forth 
    those requirements. To do so, the owner or operator would use the 
    existing procedures for closure plan and post-closure plan approval and 
    modification in Part 265.
        Members of the public may also utilize current procedures to 
    challenge either the specifics of how EPA is addressing a regulated 
    unit as part of corrective action (for example, if the corrective 
    action is imposed through a RCRA permit), or the decision by EPA or the 
    State to address the regulated unit under alternative requirements set 
    out in an enforceable document. Under EPA's federal rules, members of 
    the public may file administrative appeals for permits; they may 
    challenge closure or post-closure plans in court.
        The Regional Administrator (or State Director) may use existing 
    procedures for modifying permits or closure plans to revisit corrective 
    action requirements for regulated units set out in permits or to 
    revisit cleanups under alternative enforceable documents. EPA's rules 
    allow permits, closure plans, and post-closure plans to be modified 
    when significant new information arises after the issuance of the plan 
    or permit. Some developments during remediation may justify use of this 
    authority. For example, if a non-RCRA agency in charge of an alternate 
    authority selected a very different remedy which, in the RCRA 
    authority's judgement, would not adequately protect human health and 
    the environment, the RCRA authority might consider this to be new 
    information warranting reconsideration of the decision to defer 
    existing RCRA requirements for regulated units.
        Because the concept of deferring closure, groundwater monitoring, 
    and financial responsibility requirements is new, EPA is limiting the 
    range of authorities that can be used to craft alternate requirements. 
    First, a Regional Administrator (or State Director) may defer regulated 
    unit requirements in favor of requirements crafted under corrective 
    action for permits under RCRA section 3004(u) and corrective
    
    [[Page 56726]]
    
    action orders for interim status facilities under RCRA section 3008(h). 
    The Regional Administrator (or State Director) may also defer to 
    requirements established in actions under CERCLA section 104 and 106. 
    EPA is familiar with the scope of these legal authorities and the 
    enforcement mechanisms that accompany them. Any Regional Administrator 
    (or State Director) wishing to defer to regulated unit requirements 
    developed under these authorities need only consider whether the 
    requirements will, in fact, protect human health and the environment.
        EPA also wants State Directors to be able to defer to State 
    remedial authorities outside of RCRA. EPA, however, is less familiar 
    with these authorities and their enforcement mechanisms. EPA, 
    therefore, is requiring any State that wishes to use a non-RCRA 
    authority to craft alternative regulatory requirements to submit that 
    authority to EPA for review in the State authorization process. EPA 
    will review the scope of the legal authority. It will determine for 
    example, whether the authority can provide for cleanup of releases from 
    a regulated unit to all media, as required under Secs. 264.111(b) and 
    265.111(b). EPA will also review the State's mechanisms for enforcing 
    the alternative requirements. Where a State will not be incorporating 
    the new regulated unit requirements directly into a permit or closure 
    plan enforceable under RCRA, EPA needs to have some assurance that it 
    will be able to enforce them, if necessary. EPA is, in this notice, 
    amending the existing requirements for enforcement of State programs in 
    Sec. 271.16 to add a new requirement regarding the enforceability of 
    these new, alternative regulated unit requirements. Recognizing that 
    effective enforcement mechanisms may vary greatly from State to State, 
    EPA is promulgating a general standard, rather than a list of specific 
    enforcement requirements.
        This rule also allows the Agency to transfer the financial 
    assurance requirements of Part 264 or Part 265 Subpart H to the 
    corrective action process, when the regulated unit is addressed through 
    corrective action. This provision does not allow the Agency to waive 
    the requirements for financial assurance at a regulated unit. Owners 
    and operators of regulated units remain subject to the requirement to 
    provide financial assurance to address cleanup at the unit--however, 
    this rule allows EPA or the authorized States to develop site-specific 
    financial assurance requirements for corrective action at the unit, and 
    transfer funds set aside under Subpart H for closure, post-closure, and 
    third-party liability requirements to address corrective action. This 
    provision may be invoked by EPA or by a State authorized for this rule 
    only in cases where the alternative cleanup authority requires 
    financial assurance for the corrective action.
        In addition to the financial assurance requirements for closure and 
    post-closure care, Parts 264 and 265 Subpart H require owners and 
    operators to provide assurances that they can pay claims for damages to 
    third-parties arising from accidental occurrences at the facility. The 
    Agency, however, typically has not required third-party liability 
    coverage as part of financial assurance for corrective action. (The 
    general third-party funds required by Parts 264 and 265 would, of 
    course, apply to accidents involving hazardous waste management 
    occurring during corrective action.) This rule allows the Regional 
    Administrators and authorized States to release funded third-party 
    liability assurances, or to relieve owners and operators from the 
    obligation to provide third-party liability assurance, where all 
    regulated units at the facility are being addressed under 
    Secs. 264.90(f), 264.110(c), 264.140(d), 265.90(f), 265.110(d) or 
    265.140(d). EPA expects this action would be warranted under limited 
    circumstances--for example, it might be warranted where all regulated 
    units at the facility are being addressed through corrective action, 
    and the Regional Administrator finds that it is necessary to use the 
    third-party liability funds to pay for the cleanup. It should be noted 
    that where a facility is subject to third-party liability requirements 
    because of regulated units other than those being addressed under 
    Secs. 264.90(f), 264.110(c), 264.140(d), 265.90(f), 265.110(d) or 
    265.140(d), the facility remains subject to the requirement for third-
    party liability coverage.
    2. Response to Comment
        In the preamble of the proposed rule (see 59 FR 55778 at 55787 and 
    55688), EPA requested comment on the need for provisions allowing 
    regulated units to be addressed through a remediation process. The 
    Agency described a situation where a collection of adjacent SWMUs and a 
    regulated unit are releasing hazardous constituents to the environment. 
    Prior to this rule, EPA would have been required to impose the 
    requirements of Part 264 or Part 265 for financial assurance, closure, 
    and groundwater monitoring and remediation of the regulated unit, and 
    to select remedies for the SWMUs through the RCRA corrective action 
    process. This situation was inconsistent with a major objective of 
    EPA's Subpart S initiative discussed above, that is, to create a 
    consistent, holistic approach to cleanup at RCRA facilities.
        Many commenters supported the approach described by EPA in the 
    preamble to the proposal. Commenters on the proposed rule agreed with 
    EPA that regulated units and non-regulated SWMUs are often 
    indistinguishable in terms of risk, and most supported integration of 
    the closure and corrective action programs.
        Many commenters had encountered situations similar to those 
    described by the Agency, and believed that the closure process 
    prevented the best remedy at those sites. Several commenters agreed 
    that it is often difficult to identify the source of contamination, 
    particularly when many SWMUs are located near each other. Commenters 
    cited situations where the boundaries of regulated units and non-
    regulated units overlap, or where contaminant plumes have commingled as 
    situations where the regulatory distinction between regulated and non-
    regulated SWMUs is particularly troublesome.
        Some commenters believed that the corrective action process, which 
    was specifically designed to address remediation, rather than the 
    closure process, which has preventative goals, should be used to 
    address all units at a facility.
        EPA does not believe that the closure process is inappropriate for 
    all regulated units with releases. However, it does believe that it 
    does not make sense to have two separate remedial processes working to 
    clean up a single release, so it is providing relief where a regulated 
    unit and one or more SWMUs appear to have contributed to the same 
    release. EPA believes the Regional Administrator should be able to 
    choose, on a case-by-case basis, whether to apply the current Part 264 
    and 265 requirements to the SWMUs or the more flexible remediation 
    requirements to the regulated unit. This final rule provides the 
    Regional Administrator with the discretion needed to make this choice.
        Several commenters mentioned that having two regulatory programs 
    for RCRA units is complicated by State authorization issues--some 
    States are authorized for the base RCRA program, thus are responsible 
    for closure, but are not authorized for corrective action. In these 
    States, two agencies are responsible for reviewing plans, and making 
    decisions. Another commenter's regulatory agency has taken the position 
    that any detectable levels of organics left in soil or groundwater 
    during closure will require capping and post-closure
    
    [[Page 56727]]
    
    monitoring of the unit, whereas the corrective action program uses 
    risk-based cleanup standards. Thus, there is potential for different 
    areas of a facility to be cleaned up to different sets of standards, 
    even if the areas are adjacent to each other, and exposure patterns are 
    identical. Commenters believed that a single, uniform set of cleanup 
    standards should be established for all units regardless of the time 
    the waste or contaminant was placed in the unit, and regardless of the 
    regulatory program that has jurisdiction.
        EPA cannot eliminate all of the complexities caused by the State 
    authorization requirements. However, States that are authorized for the 
    base program will be able to request authorization for this rule. They 
    may request authority to address regulated units as part of corrective 
    action. EPA also notes that there is no Federal requirement that 
    facilities cap any detectable levels of organics left in soil or 
    groundwater during closure.
        Other commenters raised concerns about EPA's proposal that closure 
    and cleanup standards be integrated. Some commenters expressed concern 
    that the Agency's proposal might be an attempt to extend the closure 
    requirements to non-regulated units, rather than to address all SWMUs 
    through the corrective action process. Some commenters said that they 
    have had to close non-regulated units as regulated units because they 
    could not identify the source of contamination at a site. These 
    commenters believe that the corrective action process, not closure 
    requirements, should be the applicable requirements at SWMUs requiring 
    remediation.
        The Agency agrees that regulated unit standards were not designed 
    for SWMUs subject to corrective action. The Agency intends this rule to 
    provide Regional Administrators and State Directors with discretion to 
    choose whether to apply current Part 264 and 265 standards to regulated 
    units closed as part of a broader corrective action, or to address them 
    through cleanup requirements. This rule is not intended as a way to 
    bring SWMUs under Part 264 or Part 265 unit-specific standards.
        A few commenters supported retaining the distinction between 
    regulated units and other SWMUs. One commenter believed the Agency 
    should retain the closure process at all regulated units because the 
    regulatory timeframes of that process result in a quicker remedy 
    selection than the open-ended corrective action process. This commenter 
    feared that removing closure requirements at regulated units would 
    delay cleanups. Another commenter objected that site-specific 
    determinations delay any process because they are an open door to 
    extended negotiations, disputes, and litigation, and allow inconsistent 
    decisions. This commenter believed that the closure regulations provide 
    consistent requirements.
        The Agency agrees with the commenter that the closure requirements, 
    including the timeframes incorporated in the closure process, are 
    generally appropriate where a release has not occurred. EPA, however, 
    does not agree that these procedures are well-suited to remediation of 
    environmental releases. EPA believes that, where a regulated unit is 
    located among SWMUs (or areas of concern), and releases have or are 
    likely to have occurred, applying two sets of regulatory requirements 
    can slow, rather than hasten the cleanup. Thus, in this final rule, EPA 
    is allowing regulators discretion to apply alternate requirements to 
    the closing regulated unit developed under a remediation authority.
        Another commenter suggested retaining the closure requirements if 
    the regulated unit is a landfill, because, according to commenter, 
    landfills typically are large and isolated. The commenter also 
    suggested the closure requirements be retained in situations where 
    routine monitoring is necessary, or in situations where waste in the 
    regulated unit is very hazardous. This commenter suggested that the 
    closure standards be retained where the units contain similar wastes, 
    but were used at different times, and where there are multiple adjacent 
    sources of contamination with overlapping parameters of concern.
        This rule retains the closure requirements for isolated units. This 
    final rule allows the Regional Administrator to replace the 
    requirements of Subparts F, G, and H with alternative requirements 
    developed for corrective action only where a regulated unit is situated 
    among SWMUs (or areas of concern), a release has occurred, and both the 
    regulated unit and one or more SWMUs (or areas of concern) are likely 
    to have contributed to the release.
        EPA disagrees that the type of waste involved or the need for 
    monitoring should determine which set of regulatory requirements must 
    be used to address the unit, or that routine monitoring can be imposed 
    only through the closure process. EPA believes that remediation 
    processes can be used to provide protective cleanups for all types of 
    wastes, and can be used to impose sufficient groundwater monitoring 
    requirements.
        Another commenter suggested that the timeframes for initiating 
    corrective action (Sec. 264.99(h)(2)) and other administrative and 
    reporting requirements of Part 264 Subpart F be retained in all cases. 
    However, EPA disagrees with this commenter and has chosen to allow 
    greater flexibility provided by alternate remedial authorities for 
    regulated units surrounded by SWMUs that are both suspected to have 
    released to the environment.
        One commenter conditioned its approval of this change on due 
    process rights of owner or operator being maintained. EPA believes the 
    existing rights available to an owner or operator in federal 
    enforcement actions appropriately address due process rights and this 
    rule does not modify these rights.
        Some commenters asked for clarification of how integration of 
    closure and corrective action would work administratively. EPA has 
    provided this information in the preamble discussion above.
        Another commenter stated that the proposal contradicted itself by 
    first claiming that protections imposed through alternative mechanisms 
    would be equivalent to those of a post-closure permit, and then 
    proposing that closure standards be developed on a site-specific basis 
    under the corrective action process. The commenter requested EPA to 
    clarify its intention in this regard, and to ensure that the regulatory 
    requirements were truly the same for closure and post-closure 
    activities conducted with or without a permit.
        In response to this comment, EPA clarifies that it intends for the 
    closure of regulated units to be subject to consistent substantive 
    standards, regardless of whether that closure is addressed under a 
    permit or under an alternate authority. EPA believes the requirements 
    of Sec. 265.121 make this point clearly. The commenter's concern 
    derives from EPA's proposal (and decision in this final rule) to amend 
    the closure standards to allow the integration of closure and 
    corrective action at certain specified closed or closing units. These 
    new standards apply equally to all eligible regulated units, regardless 
    of whether they are subject to permits or interim status. Thus, while 
    EPA has amended the closure standards as they apply to certain 
    regulated units, it has retained a consistent approach to closure under 
    the permit process and under alternate authorities. To the extent that 
    the commenter is objecting to EPA's decision to allow use of 
    alternative, site-
    
    [[Page 56728]]
    
    specific requirements in lieu of the generic requirements of Subparts 
    F, G, and H, EPA, as explained above, believes that the need to 
    coordinate the cleanup of ``mingled'' releases outweighs any perceived 
    benefits of the more specific requirements for regulated units.
        In the preamble of the proposed rule, the Agency described a second 
    remedial situation where the closure standards might not be 
    appropriate--where waste has been removed from a unit but contaminated 
    soils remain, and the remedy that might best prevent future releases 
    from the unit would be precluded by the requirement for a RCRA cap.
        Many commenters agreed with the Agency that the requirement for a 
    RCRA cap may impede remedies. Several commenters agreed that the 
    closure regulations do not consider remediation as an alternative to 
    capping the unit, yet many currently available remedial technologies 
    are more protective to human health and the environment in the long 
    term than is capping, and that the Agency should provide flexibility to 
    pursue such options in the closure of regulated units. Many commenters 
    also agreed that required RCRA caps are very expensive and often 
    provide little additional environmental protection where most waste has 
    been removed from the unit.
        However, the Agency is not proceeding with revisions to the closure 
    requirements that would modify the requirement for a RCRA cap (or other 
    closure, groundwater, or financial assurance requirements) beyond the 
    situations outlined in Secs. 264.90(f), 264.110(c), 264.140(d), 
    265.90(f), 265.110(d), and 265.140(d). Thus, the unit described by 
    commenters could be addressed under corrective action procedures only 
    if it was situated among SWMUs or areas of concern, and was part of a 
    broader corrective action. EPA was not prepared, at the time this rule 
    was made final, to make a final decision on this issue. EPA will 
    consider additional action in this area if, in implementing this final 
    rule, the Agency identifies further opportunities for integrating 
    closure and corrective action.
    
    D. Post-Closure Permit Part B Information Submission Requirements 
    (Sec. 270.28)
    
    1. Overview
        EPA is promulgating Sec. 270.28, which establishes information 
    submission requirements for post-closure permits. Prior to this rule, 
    the information submission requirements of Part 270 did not distinguish 
    between operating permits and post-closure permits, and facilities 
    seeking post-closure permits were generally expected to provide EPA, as 
    part of their Part B permit applications, the facility-level 
    information specified in Sec. 270.14 as well as relevant unit-specific 
    information required in Secs. 270.16, 270.17, 270.18, 270.20, and 
    270.21.
        However, EPA recognized that certain of the Part 270 information 
    requirements are important to ensuring proper post-closure care, while 
    others are generally less relevant to post-closure. The Agency believes 
    the most important information for setting long-term post-closure 
    conditions are groundwater characterization and monitoring data, long-
    term care of the regulated unit and monitoring systems (e.g., 
    inspections and systems maintenance), and information on SWMUs and 
    possible releases. Therefore, EPA is adding a new Sec. 270.28 to 
    identify that subset of the Part B application information that must be 
    submitted for post-closure permits.
        As a result of this provision, an owner or operator seeking a post-
    closure permit must submit only that information specifically required 
    for such permits under newly added Sec. 270.28, unless otherwise 
    specified by the Regional Administrator. The specific items required in 
    post-closure permit applications are:
    
    --A general description of the facility;
    --A description of security procedures and equipment;
    --A copy of the general inspection schedule;
    --Justification for any request for waiver of preparedness and 
    prevention requirements;
    --Facility location information;
    --A copy of the post-closure plan;
    --Documentation that required post-closure notices have been filed;
    --The post-closure cost estimate for the facility;
    --Proof of financial assurance;
    --A topographic map; and
    --Information regarding protection of groundwater (e.g., monitoring 
    data, groundwater monitoring system design, site characterization 
    information)
    --Information regarding SWMUs at the facility.
    
        In many cases, this information will be sufficient for the 
    permitting agency to develop a draft permit. However, since RCRA 
    permits are site-specific, EPA believes it is important that the 
    Regional Administrator have the ability to specify additional 
    information needs on a case-by-case basis. Accordingly, to ensure 
    availability of any information needed to address post-closure care at 
    surface impoundments (Sec. 270.17), waste piles (Sec. 270.18), land 
    treatment facilities (Sec. 270.20) and landfills (Sec. 270.21), 
    Sec. 270.28 of this rule authorizes the Regional Administrator to 
    require any of the Part B information specified in these sections in 
    addition to that already required for post-closure permits at these 
    types of units. This approach enables the Regional Administrator to 
    require additional information as needed, but does not otherwise compel 
    the owner or operator to submit information that is irrelevant to post-
    closure care determinations.
    2. Response to Comment
        Commenters generally supported the provisions of the proposed rule 
    related to information submission requirements, and EPA is promulgating 
    the provisions as proposed. Some commenters suggested that additional 
    information be required by Sec. 270.28 (e.g., one commenter suggested 
    the Agency require the chemical and physical analysis of 
    Sec. 270.14(b)(2), and the training plan information required by 
    Sec. 270.14(b)(12)). However, after considering these comments, EPA is 
    promulgating the proposed requirements because the Agency believes they 
    will provide the Agency with the information it needs to address post-
    closure care in most instances. The information suggested by commenter 
    is not, in the Agency's experience, routinely needed for post-closure 
    permits. For example, Sec. 270.14(b)(2), suggested by commenter, 
    requires a chemical and physical analysis of waste to be handled at the 
    facility--but, in the case of post-closure permits, the regulated unit 
    is closed, and will not be handling wastes. Similarly, 
    Sec. 270.14(b)(12) requires the owner or operator to train persons who 
    will be operating the facility--but, in the case of a post-closure 
    permit, the facility will not be operating.
        If for some reason this information is needed by the Agency, this 
    rule does not preclude the Agency from requiring it. As was discussed 
    above, this rule provides the Agency authority to obtain additional 
    information on a case-by-case basis, as needed, but, for most 
    situations, requires only the minimum information necessary for all 
    post-closure situations. This approach, the Agency believes, provides 
    sufficient information to the overseeing agency to ensure adequate 
    post-closure care, while minimizing the information submission 
    requirements for all owners and operators. However, as a result of this 
    final rule, EPA will request information
    
    [[Page 56729]]
    
    for post-closure permit applications beyond the information specified 
    in Sec. 270.28 only when necessary on a case-by-case basis.
    
    IV. State Authorization
    
    A. Authorization of State Programs
    
        Under section 3006 of RCRA, EPA may authorize qualified States to 
    administer and enforce the RCRA program within the State (See 40 CFR 
    Part 271 for the standards and requirements for state authorization).
        Prior to the Hazardous and Solid Waste Amendments of 1984 (HSWA), a 
    State with final authorization administered its hazardous waste program 
    entirely in lieu of the Federal program. The Federal requirements no 
    longer applied in the authorized State, and EPA could not issue permits 
    for any facilities in a State where the State was authorized to permit. 
    When new, more stringent Federal requirements were promulgated or 
    enacted, the State was obligated to enact equivalent authority within 
    specified timeframes. New Federal requirements did not take effect in 
    an authorized State until the State adopted the requirements as State 
    law.
        In contrast, under section 3006(g) of RCRA, the new requirements 
    and prohibitions of HSWA take effect in authorized States at the same 
    time they take effect in unauthorized States. EPA is directed to carry 
    out those requirements and prohibitions in authorized States, including 
    issuance of permits, until the State is granted authorization to do so. 
    While States must still adopt more stringent HSWA-related provisions as 
    State law to retain final authorization, the HSWA requirements apply in 
    authorized States in the interim. In general, Sec. 271.21(e)(2) 
    requires States that have final authorization to modify their programs 
    to reflect Federal program changes and to subsequently submit the 
    modifications to EPA for approval. It should be noted, however, that 
    authorized States are only required to modify their programs when EPA 
    promulgates Federal standards that are more stringent or broader in 
    scope than the existing Federal standards. For those Federal program 
    changes that are not more stringent or reduce the scope of the Federal 
    program, States are not required to modify their programs (see 
    Sec. 271.1(i)). Section 3009 of RCRA allows States to impose standards 
    more stringent than those in the Federal program.
    
    B. Enforcement Authorities
    
        Since 1980, certification of adequate enforcement authority has 
    been a condition of State authorization. EPA's authority to use its own 
    enforcement authorities, however, does not terminate when it authorizes 
    a State's enforcement program. Following authorization, EPA retains the 
    enforcement authorities of sections 3008, 7003, and 3013 of RCRA, 
    although authorized States have primary enforcement responsibility.
    
    C. Effect of this Rule on State Authorizations
    
        This rule promulgates revisions to the post-closure requirements 
    under HSWA and non-HSWA authorities. The requirements in 
    Secs. 264.90(e), 265.110(c), 265.118(c)(4), 265.121 (except for 
    paragraph 265.121(a)(2)), 270.1, 270.14(a), and 270.28, which remove 
    the post-closure permit requirement and allow the use of alternate 
    mechanisms, are promulgated under non-HSWA authority. Thus, those 
    requirements are immediately effective only in States that do not have 
    final authorization for the base RCRA program, and are not applicable 
    in authorized States unless and until the State revises its program to 
    adopt equivalent requirements. These new standards are not more 
    stringent than current requirements and, therefore, States are not 
    required to adopt them.
        Sections 264.90(f), 264.110(c), 264.140(d), 265.90(f), 265.110(d), 
    265.140(d), and 271.16(e), which allow the Agency to address closing 
    regulated units through the corrective action program, are promulgated 
    under HSWA authority. Except for Sec. 271.16(e) these provisions 
    provide additional options to regulators, and, therefore, are not more 
    stringent than the current base RCRA program requiring closure of all 
    regulated units. Authorized States are required to modify their 
    programs only if the new Federal provisions are more stringent.
        Further, because these HSWA provisions in this rule are not more 
    stringent, they are immediately effective only in those States not 
    authorized for the base RCRA program. In States authorized for the RCRA 
    base program, these HSWA provisions cannot be enforced until and unless 
    the State adopts them. Once a State adopts these provisions, they can 
    be implemented by EPA before the State is authorized for the regulation 
    change because they are promulgated pursuant to HSWA authority, and are 
    thus immediately effective in the State.
    
    D. Review of State Program Applications
    
    1. Post-Closure Care Under Alternatives to Permits
        Sections 264.90(e), 265.110(c), 265.118(c)(4), 265.121, and 270.1 
    of this final rule remove the requirement for post-closure permits, and 
    allow EPA and the authorized States to address facilities needing post-
    closure care using alternate authorities. All States seeking 
    authorization for the above provisions of this rule must submit an 
    application that includes regulations at least as stringent as these 
    provisions, as well as the information required under Sec. 271.21. In 
    all States, this information will include copies of State statutes and 
    regulations demonstrating that the State program includes the 
    provisions promulgated in this rule in the sections listed above. EPA 
    will review this information to determine that the State has adopted 
    provisions to assure that authorities used in lieu of post-closure 
    permits are as stringent as the Federal program.
        In addition, States must submit an application that includes copies 
    of the statutes and regulations the State plans to use in lieu of the 
    section 3004(u) provisions of a post-closure permit to address 
    corrective action at interim status facilities. For example, many 
    States authorized for corrective action have cleanup authorities, which 
    they apply at interim status facilities. EPA will review those statutes 
    and regulations to determine whether the alternate authority is 
    sufficient to impose requirements consistent with Sec. 264.101. At a 
    minimum, that authority must be sufficiently broad to allow the 
    authorized authority to: (1) require facility-wide assessments; (2) 
    address all releases of hazardous wastes or constituents to all media 
    from all SWMUs within the facility boundary as well as off-site 
    releases to the extent required under section 3004(v) (to the extent 
    that releases pose a threat to human health and the environment); and 
    (3) impose remedies that are protective of human health and the 
    environment. This review by EPA will assure that actions taken at 
    closed facilities under an alternate authority are as protective as 
    those that would be taken under a post-closure permit. In addition, EPA 
    is promulgating in this final rule a revision to Sec. 271.16 to ensure 
    that these alternate authorities are adequately enforceable. EPA will 
    review the State's authority to determine whether it includes the 
    authority to sue in court, and to assess penalties.
    
    [[Page 56730]]
    
    2. Remediation Requirements for Land-Based Units With Releases to the 
    Environment
        Sections 264.90(f), 264.110(c), 264.140(d), 265.90(f), 265.110(d), 
    and 265.140(d) of this rule allow EPA or the authorized State to 
    replace requirements of Part 264 or 265 Subpart F and G with analogous 
    requirements developed through the corrective action process. When 
    regulated units are addressed through the corrective action process, 
    these provisions allow the Agency to transfer financial assurance 
    requirements to corrective action as well. Sections 264.112(b) and (c), 
    264.118(b) and (d), 265.112(b) and (c), and 265.118(c) and (d) contain 
    procedures for owners and operators to implement this flexibility.
        To obtain authorization for Secs. 264.90(f), 264.110(c), and 
    264.140(d), which apply at permitted facilities, States must be 
    authorized for section 3004(u) or submit an application that includes 
    copies of the statutes and regulations the State plans to use to 
    develop a remedy at regulated units. To obtain authorization for 
    Secs. 265.90(f), 265.110(d), and 265.140(d), which apply at interim 
    status facilities, States must submit an application that includes 
    copies of the statutes and regulations the State plans to use to 
    develop a remedy at regulated units. As in the case of alternate 
    authorities submitted for approval to be used in lieu of post-closure 
    permits, authorities to be used to implement Secs. 265.90(f), 
    265.110(d), and 265.140(d) must impose corrective action consistent 
    with Sec. 264.101, and must be sufficiently broad to impose minimum 
    requirements. They must allow the regulatory authority to: (1) include 
    facility-wide assessments; (2) address all releases of hazardous wastes 
    or constituents to all media from all SWMUs within the facility 
    boundary as well as off-site releases to the extent required under 
    section 3004(v) (to the extent necessary to protect human health and 
    the environment); and (3) be protective of human health and the 
    environment. Further, they must include authority to sue in court, and 
    to assess penalties, consistent with Sec. 271.16. For Sec. 265.90(f), 
    the authority must allow the State to require financial assurance.
    3. Post-Closure Permit Part B Information Submission Requirements
        Section 270.28, which specifies information that must be submitted 
    for post-closure permits, is promulgated under non-HSWA authority and 
    is not more stringent than the current RCRA program. Therefore, 
    Sec. 270.28 does not become effective in an authorized State until and 
    unless the State obtains authorization for that provision. Further, 
    authorized States are not required to modify their programs to adopt 
    Sec. 270.28.
    
    V. Effective Date
    
        This final rule is effective immediately. Section 3010(b)(1) of 
    RCRA allows EPA to promulgate an immediately effective rule where the 
    Administrator finds that the regulated community does not need 
    additional time to come into compliance with the rule. Similarly, the 
    Administrative Procedures Act (APA) provides for an immediate effective 
    date for rules that relieve a restriction (see 5 U.S.C. 553(d)(1)).
        This rule does not impose any requirements on the regulated 
    community; rather, the rule provides flexibility in the regulations 
    with which the regulated community is required to comply. The Agency 
    finds that the regulated community does not need six months to come 
    into compliance.
    
    VI. Regulatory Assessments
    
    A. Executive Order 12866
    
        Under Executive Order 12866, which was published in the Federal 
    Register on October 4, 1993 (see 58 FR 51735), the Agency must 
    determine whether a regulatory action is ``significant'' and, 
    therefore, subject to OMB review and the requirements of the Executive 
    Order. The Order defines ``significant regulatory action'' as one that 
    is likely to result in a rule that may:
        (1) have an annual effect on the economy of $100 million or more, 
    or adversely affect in a material way the economy, a sector of the 
    economy, productivity, competition, jobs, the environment, public 
    health or safety, or State, local, or tribal governments or 
    communities;
        (2) create a serious inconsistency or otherwise interfere with an 
    action taken or planned by another agency;
        (3) materially alter the budgetary impact of entitlement, grants, 
    user fees, or loan programs or the rights and obligations of recipients 
    thereof; or
        (4) raise novel legal or policy issues arising out of legal 
    mandates, the President's priorities, or the principles set forth in 
    the Executive Order.
        Under the terms of Executive Order 12866, OMB has notified EPA that 
    it considers this a ``significant regulatory action'' on the basis of 
    (4) within the meaning of the Executive Order. EPA has submitted this 
    action to OMB for review. Changes made in response to OMB suggestions 
    or recommendations are documented in the public record for this 
    rulemaking (see Docket # F-94-PCPP-FFFFF).
        This final rule establishes two main changes to the procedures 
    required for closure and post-closure care. First, it allows EPA and 
    the authorized States the option of either issuing post-closure permits 
    or using alternative mechanisms for ensuring the proper management and 
    care of facilities after their closure. Second, it amends the 
    regulations governing closure of regulated units to allow, under 
    certain circumstances, the regulatory agency to address regulated units 
    through Federal or State cleanup programs, instead of applying Part 264 
    and 265 standards for closure.
        The first provision benefits the regulated community by providing a 
    potential avoidance of the permit process for post-closure, as well as 
    eliminating duplication of effort in cases, where EPA and the States 
    have already issued enforcement orders to ensure expeditious action by 
    facility operators. The cost savings for this change are estimated to 
    be a total of $507,000, and are discussed in further detail in the 
    Economic Impact Analysis background document, which has been placed in 
    the docket. The second gives EPA and States discretion to replace 
    regulatory requirements applying to closed regulated units with site-
    specific requirements developed through cleanup authorities. It does 
    not affect any authority EPA and authorized States have to impose the 
    closure requirements. Further, the requirements for corrective action 
    are not more stringent than those required for closure under Parts 264 
    and 265. Consequently, no cost assessment was prepared for the second 
    main provision of the rule.
    
    B. Regulatory Flexibility Act
    
        Under the Regulatory Flexibility Act (5 U.S.C. 601 et seq., as 
    amended by the Small Business Regulatory Enforcement Fairness Act 
    (SBREFA) of 1996), at the time the Agency publishes a proposed or final 
    rule, it must prepare and make available for public comment a 
    Regulatory Flexibility Analysis that describes the effect of the rule 
    on small entities. However, no regulatory flexibility analysis is 
    required if the Administrator certifies that the rule will not have 
    significant adverse impact on a substantial number of small entities.
        SBREFA amended the Regulatory Flexibility Act to require Federal 
    agencies to provide a statement of the factual basis for certifying 
    that a rule will not have a significant economic impact on a 
    substantial number of small entities. The following discussion explains 
    EPA's determination.
    
    [[Page 56731]]
    
        The first portion of this final rule would provide regulatory 
    relief by expanding the options available to address post-closure care 
    so that a permit would not be required in every case. No new 
    requirements would be imposed on owners and operators in addition to 
    those already in effect. The Agency estimates a cost savings of 
    $500,000 as a result of this portion of the rule. Additional details 
    related to this cost savings are included in the Economic Impact 
    Analysis, which can be found in the docket. The second part of the 
    final rule makes available more flexible standards regarding closure, 
    groundwater monitoring, and financial assurance for some facilities. It 
    also imposes no new requirements. Therefore, pursuant to 5 U.S.C. 601b, 
    I certify that this regulation will not have significant economic 
    impact on a substantial number of small entities.
    
    C. Unfunded Mandates Reform Act
    
        Title II of the Unfunded Mandates Reform Act of 1995 (UMRA), P.L. 
    104-4, establishes requirements for Federal Agencies to assess the 
    effects of their regulatory actions on State, local, and tribal 
    governments, and on the private sector. Under section 202 of the UMRA, 
    EPA generally must prepare a written statement, including a cost-
    benefit analysis, for proposed and final rules with ``Federal 
    mandates'' that may result in expenditures by local, and tribal 
    governments, in the aggregate, or by private sector, of $100 million or 
    more in any one year. Before promulgating an EPA rule for which a 
    written statement is needed, section 205 of the UMRA generally requires 
    EPA to identify and consider a reasonable number of regulatory 
    alternatives and adopt the least costly, most cost-effective, or least 
    burdensome alternative that achieves the objectives of the rule. The 
    provisions of section 205 do not apply when they are inconsistent with 
    applicable law. Moreover, section 205 allows EPA to adopt an 
    alternative other than the least costly, most cost-effective, or least 
    burdensome alternative if the Administrator publishes with the final 
    rule an explanation why that alternative was not adopted. Before EPA 
    establishes any regulatory requirements that may significantly or 
    uniquely affect small governments, including tribal governments, it 
    must have developed under section 203 of the UMRA a small government 
    agency plan. The plan must provide for notifying potentially affected 
    small governments, enabling officials of affected small governments to 
    have meaningful and timely input in the development of EPA regulatory 
    proposals with significant Federal intergovernmental mandates, and 
    informing, educating, and advising small governments on compliance with 
    the regulatory requirements.
        EPA has determined that this rule does not include a Federal 
    mandate that may result in estimated costs of $100 million or more to 
    either State, local, or tribal governments in the aggregate, or the 
    private sector in any one year. Neither portion of this rule is more 
    stringent than the current Federal program, therefore, States are not 
    required to adopt them (see section V of this preamble). In addition, 
    this rule imposes no new requirements on owners and operators, but, 
    rather, allows flexibility to regulators to implement requirements 
    already in place. As stated above, EPA estimates a cost savings of 
    $500,000 for the provisions of the final rule. EPA also has concluded 
    that this rule will not significantly or uniquely affect small 
    governments. Small governments will not be responsible for implementing 
    the rule. Although they may be owners or operators of facilities 
    regulated by the rule, the rule does not impose any new requirements.
    
    D. Paperwork Reduction Act
    
        The Office of Management and Budget (OMB) has approved the 
    information collection requirements contained in this rule under the 
    provisions of the Paperwork Reduction Act, 44 U.S.C. 3501 et seq. and 
    has assigned OMB control number 2050-0009 (EPA ICR Number 1573.05).
        EPA believes the changes to the information collection do not 
    constitute a substantive or material modification. The recordkeeping 
    and reporting requirements of this rule would replace or reduce similar 
    requirements already promulgated and covered under the existing 
    Information Collection Request (ICR). There is no net increase in 
    recordkeeping and reporting requirements. As a result, the reporting, 
    notification, or recordkeeping (information) provisions of this rule 
    will not need to be submitted for approval to the Office of Management 
    and Budget (OMB) under section 3504(b) of the Paperwork Reduction Act, 
    44 U.S.C. 3501 et. seq..
        The current ICR expires on December 31, 1999. During the ICR 
    renewal process, EPA will prepare an ICR document with an estimate of 
    the burden reduction resulting from the decreased reporting provisions 
    of this rule, and will publish in the Federal Register a Notice 
    announcing the availability of that ICR and soliciting public comments.
        Burden means the total time, effort, or financial resources 
    expended by persons to generate, maintain, retain, or disclose or 
    provide information to or for a Federal agency. This includes the time 
    needed to review instructions; develop, acquire, install, and utilize 
    technology and systems for the purposes of collecting, validating, and 
    verifying information, processing and maintaining information, and 
    disclosing and providing information; adjust the existing ways to 
    comply with any previously applicable instructions and requirements; 
    train personnel to be able to respond to a collection of information; 
    search data sources; complete and review the collection of information; 
    and transmit or otherwise disclose the information.
        An agency may not conduct or sponsor, and a person is not required 
    to respond to, a collection of information unless it displays a 
    currently valid OMB control number. The OMB control numbers for EPA's 
    regulations are listed in 40 CFR Part 9 and 48 CFR Chapter 15.
    
    E. Executive Order 13045: Protection of Children From Environmental 
    Health Risks and Safety Risks
    
        Executive Order 13045, entitled ``Protection of Children from 
    Environmental Health Risks and Safety Risks'' (see 62 FR 19885, April 
    23, 1997) applies to any rule that EPA determines: (1) is 
    ``economically significant'' as defined under Executive Order 12866, 
    and (2) the environmental health or safety risk addressed by the rule 
    has a disproportionate effect on children. If the regulatory action 
    meets both criteria, the Agency must evaluate the environmental health 
    or safety effects of the planned rule on children, and explain why the 
    planned regulation is preferable to other potentially effective and 
    reasonably feasible alternatives considered by the Agency.
        This final rule is not subject to E.O. 13045 because this is not an 
    ``economically significant'' regulatory action as defined by E.O. 
    12866. In addition, the rule does not involve decisions based on 
    environmental health or safety risks.
    
    F. National Technology Transfer and Advancement Act
    
        Under section 12(d) of the National Technology Transfer and 
    Advancement Act, the Agency is directed to use voluntary consensus 
    standards in its regulatory activities unless to do so would be 
    inconsistent with applicable law or otherwise impractical. Voluntary 
    consensus standards are technical standards (e.g., materials 
    specifications,
    
    [[Page 56732]]
    
    test methods, sampling procedures, business practices, etc.) that are 
    developed or adopted by voluntary consensus standard bodies. Where 
    available and potentially applicable voluntary consensus standards are 
    not used by EPA, the Act requires the Agency to provide Congress, 
    through the Office of Management and Budget, an explanation of the 
    reasons for not using such standards.
        EPA is not promulgating technical standards as part of today's 
    final rule. Thus, the Agency has not considered the use of voluntary 
    consensus standards in developing this rule.
    
    G. Executive Order 12898: Environmental Justice
    
        Under Executive Order 12898, ``Federal Actions to Address 
    Environmental Justice in Minority Populations and Low-Income 
    Populations,'' as well as through EPA's April 1995, ``Environmental 
    Justice Strategy, OSWER Environmental Justice Task Force Action Agenda 
    Report,'' and National Environmental Justice Advisory Council, EPA has 
    undertaken to incorporate environmental justice into its policies and 
    programs. EPA is committed to addressing environmental justice 
    concerns, and is assuming a leadership role in environmental justice 
    initiatives to enhance environmental quality for all residents of the 
    United States. The Agency's goals are to ensure that no segment of the 
    population, regardless of race, color, national origin, or income, 
    bears disproportionately high and adverse human health and 
    environmental effects as a result of EPA's policies, programs, and 
    activities, and all people live in clean and sustainable communities. 
    To address this goal, EPA considered the impacts of this final rule on 
    low-income populations and minority populations and concluded that this 
    final rule will potentially advance environmental justice causes. The 
    process for public involvement set forth in this final rule encourages 
    all potentially affected segments of the population to participate in 
    public hearings and/or to provide comment on health and environmental 
    concerns that may arise pursuant to a proposed Agency action under the 
    rule. EPA believes that public involvement should include regular 
    updating of the community on the progress made cleaning up the 
    facility. Public participation should provide all impacted and affected 
    parties ample time to participate in the facility cleanup decisions. In 
    many cases, public involvement should include bilingual notifications 
    or publication of legal notices in community newspapers.
    
    H. Executive Order 12875: Enhancing Intergovernmental Partnerships
    
        Under Executive Order 12875, EPA may not issue a regulation that is 
    not required by statute and that creates a mandate upon a State, local 
    or tribal government, unless the Federal government provides the funds 
    necessary to pay the direct compliance costs incurred by those 
    governments. If EPA complies by consulting, Executive Order 12875 
    requires EPA to provide to the Office of Management and Budget a 
    description of the extent of EPA's prior consultation with 
    representatives of affected State, local and tribal governments, the 
    nature of their concerns, copies of any written communications from the 
    governments, and a statement supporting the need to issue the 
    regulation. In addition, Executive Order 12875 requires EPA to develop 
    an effective process permitting elected officials and other 
    representatives of State, local and tribal governments ``to provide 
    meaningful and timely input in the development of regulatory proposals 
    containing significant unfunded mandates.''
        This rule does not create a mandate on State, local or tribal 
    governments. The rule does not impose any enforceable duties on these 
    entities. It provides more flexibility for States and tribes to 
    implement already-existing requirements. Accordingly, the requirements 
    of section 1(a) of Executive Order 12875 do not apply to this rule.
    
    I. Executive Order 13084: Consultation and Coordination With Indian 
    Tribal Governments
    
        Under Executive Order 13084, EPA may not issue a regulation that is 
    not required by statute, that significantly or uniquely affects the 
    communities of Indian tribal governments, and that imposes substantial 
    direct compliance costs on those communities, unless the Federal 
    government provides the funds necessary to pay the direct compliance 
    costs incurred by the tribal governments. If EPA complies by 
    consulting, Executive Order 13084 requires EPA to provide to the Office 
    of Management and Budget, in a separately identified section of the 
    preamble to the rule, a description of the extent of EPA's prior 
    consultation with representatives of affected tribal governments, a 
    summary of the nature of their concerns, and a statement supporting the 
    need to issue the regulation. In addition, Executive Order 13084 
    requires EPA to develop an effective process permitting elected and 
    other representatives of Indian tribal governments ``to provide 
    meaningful and timely input in the development of regulatory policies 
    on matters that significantly or uniquely affect their communities.''
        This rule does not significantly or uniquely affect the communities 
    of Indian tribal governments. In addition, this rule imposes no new 
    requirements on owners and operators, but, rather, allows flexibility 
    to regulators to implement requirements already in place. Accordingly, 
    the requirements of section 3(b) of Executive Order 13084 do not apply 
    to this rule.
    
    J. Submission to Congress and the General Accounting Office
    
        The Congressional Review Act, 5 U.S.C. 801(a)(1)(A), as added by 
    the Small Business Regulatory Enforcement Fairness Act of 1996, 
    generally provides that before a rule may take effect, the agency 
    promulgating the rule must submit a rule report, which includes a copy 
    of the rule, to each House of the Congress and to the Comptroller 
    General of the United States. EPA will submit a report containing this 
    rule and other required information to the U.S. Senate, the U.S. House 
    of Representatives, and the Comptroller General of the General 
    Accounting Office prior to publication of the rule in this Federal 
    Register. A major rule cannot take effect until 60 days after it is 
    published in the Federal Register. This rule is not a ``major rule'' as 
    defined by 5 U.S.C 804(2).
    
    VII. Brownfields
    
        In February 1995, EPA announced its Brownfields Action Agenda, 
    launching the first Federal effort of its kind designed to empower 
    States, Tribes, communities, and other parties to safely cleanup, 
    reuse, and return brownfields to productive use. To broaden the mandate 
    of the original agenda, in 1997 EPA initiated the Brownfields National 
    Partnership Agenda, involving nearly twenty other Federal agencies in 
    brownfields cleanup and reuse. Since the 1995 announcement, EPA has 
    funded brownfields pilots, reduced barriers to cleanup and 
    redevelopment by clarifying environmental liability issues, developed 
    partnerships with interested stakeholders, and stressed the importance 
    of environmental workforce training. In implementing the Agenda, EPA, 
    to date, has focused primarily on issues associated with CERCLA. 
    Representatives from cities, industries, and other stakeholders, 
    however, have recently begun emphasizing the importance of looking 
    beyond CERCLA and addressing issues at brownfield sites in a more 
    comprehensive manner.
        This final rule furthers the Administration's brownfields work by
    
    [[Page 56733]]
    
    removing barriers posed by RCRA regulations. Modifying the post-closure 
    permit requirement and allowing the use of an alternative authority to 
    clean up regulated and solid waste management units, expedites the 
    clean up of RCRA facilities and makes such property available for 
    reuse.
    
    List of Subjects
    
    40 CFR Part 264
    
        Environmental protection, Hazardous waste, Closure, Corrective 
    action, Post-closure, Permitting.
    
    40 CFR Part 265
    
        Hazardous waste, Closure, Corrective action, Post-closure, 
    Permitting.
    
    40 CFR Part 270
    
        Hazardous waste, Post-closure, Permitting.
    
    40 CFR Part 271
    
        State authorization, Enforcement authority.
    
        Dated: October 15, 1998.
    Carol M. Browner,
    Administrator.
    
        For the reasons set out in the preamble, Chapter 1 Title 40 of the 
    Code of Federal Regulations is amended as follows:
    
    PART 264--STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE 
    TREATMENT, STORAGE, AND DISPOSAL FACILITIES
    
        1. The authority citation for part 264 continues to read as 
    follows:
    
        Authority: 42 U.S.C. 6905, 6912(a), 6924, and 6925.
    
        2. Section 264.90 is amended by adding new paragraphs (e) and (f) 
    to read as follows:
    
    
    Sec. 264.90  Applicability.
    
    * * * * *
        (e) The regulations of this subpart apply to all owners and 
    operators subject to the requirements of 40 CFR 270.1(c)(7), when the 
    Agency issues either a post-closure permit or an enforceable document 
    (as defined in 40 CFR 270.1(c)(7)) at the facility. When the Agency 
    issues an enforceable document, references in this subpart to ``in the 
    permit'' mean ``in the enforceable document.''
        (f) The Regional Administrator may replace all or part of the 
    requirements of Secs. 264.91 through 264.100 applying to a regulated 
    unit with alternative requirements for groundwater monitoring and 
    corrective action for releases to groundwater set out in the permit (or 
    in an enforceable document) (as defined in 40 CFR 270.1(c)(7)) where 
    the Regional Administrator determines that:
        (1) The regulated unit is situated among solid waste management 
    units (or areas of concern), a release has occurred, and both the 
    regulated unit and one or more solid waste management unit(s) (or areas 
    of concern) are likely to have contributed to the release; and
        (2) It is not necessary to apply the groundwater monitoring and 
    corrective action requirements of Secs. 264.91 through 264.100 because 
    alternative requirements will protect human health and the environment.
        3. Section 264.110 is amended by adding a new paragraph (c) to read 
    as follows:
    
    
    Sec. 264.110  Applicability.
    
    * * * * *
        (c) The Regional Administrator may replace all or part of the 
    requirements of this subpart (and the unit-specific standards 
    referenced in Sec. 264.111(c) applying to a regulated unit), with 
    alternative requirements set out in a permit or in an enforceable 
    document (as defined in 40 CFR 270.1(c)(7)), where the Regional 
    Administrator determines that:
        (1) The regulated unit is situated among solid waste management 
    units (or areas of concern), a release has occurred, and both the 
    regulated unit and one or more solid waste management unit(s) (or areas 
    of concern) are likely to have contributed to the release; and
        (2) It is not necessary to apply the closure requirements of this 
    subpart (and those referenced herein) because the alternative 
    requirements will protect human health and the environment and will 
    satisfy the closure performance standard of Sec. 264.111 (a) and (b).
        4. Section 264.112 is amended by adding new paragraphs (b)(8) and 
    (c)(2)(iv) to read as follows:
    
    
    Sec. 264.112  Closure plan; amendment of plan.
    
    * * * * *
        (b) * * *
        (8) For facilities where the Regional Administrator has applied 
    alternative requirements at a regulated unit under Secs. 264.90(f), 
    264.110(d), and/or Sec. 264.140(d), either the alternative requirements 
    applying to the regulated unit, or a reference to the enforceable 
    document containing those alternative requirements.
        (c) * * *
        (2) * * *
        (iv) the owner or operator requests the Regional Administrator to 
    apply alternative requirements to a regulated unit under 
    Secs. 264.90(f), 264.110(c), and/or Sec. 264.140(d).
    * * * * *
        5. Section 264.118 is amended by adding new paragraphs (b)(4) and 
    (d)(2)(iv) to read as follows:
    * * * * *
    
    
    Sec. 264.118  Post-closure plan; amendment of plan.
    
        (b) * * *
        (4) For facilities where the Regional Administrator has applied 
    alternative requirements at a regulated unit under Secs. 264.90(f), 
    264.110(c), and/or Secs. 264.140(d), either the alternative 
    requirements that apply to the regulated unit, or a reference to the 
    enforceable document containing those requirements.
    * * * * *
        (d) * * *
        (2) * * *
        (iv) The owner or operator requests the Regional Administrator to 
    apply alternative requirements to a regulated unit under 
    Secs. 264.90(f), 264.110(c), and/or Sec. 264.140(d).
    * * * * *
        6. Section 264.140 is amended by adding a new paragraph (d) to read 
    as follows:
    
    
    Sec. 264.140  Applicability.
    
    * * * * *
        (d) The Regional Administrator may replace all or part of the 
    requirements of this subpart applying to a regulated unit with 
    alternative requirements for financial assurance set out in the permit 
    or in an enforceable document (as defined in 40 CFR 270.1(c)(7)), where 
    the Regional Administrator:
        (1) Prescribes alternative requirements for the regulated unit 
    under Sec. 264.90(f) and/or Sec. 264.110(d); and
        (2) Determines that it is not necessary to apply the requirements 
    of this subpart because the alternative financial assurance 
    requirements will protect human health and the environment.
    
    PART 265--INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF 
    HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES
    
        1. The authority citation for part 265 continues to read as 
    follows:
    
        Authority: 42 U.S.C. 6905, 6906, 6912, 6922, 6923, 6924, 6925, 
    6935, 6936, and 6937.
    
        2. Section 265.90 is amended by adding new paragraph (f) to read as 
    follows:
    
    [[Page 56734]]
    
    Sec. 265.90  Applicability.
    
    * * * * *
        (f) The Regional Administrator may replace all or part of the 
    requirements of this subpart applying to a regulated unit (as defined 
    in 40 CFR 264.90), with alternative requirements developed for 
    groundwater monitoring set out in an approved closure or post-closure 
    plan or in an enforceable document (as defined in 40 CFR 270.1(c)(7)), 
    where the Regional Administrator determines that:
        (1) A regulated unit is situated among solid waste management units 
    (or areas of concern), a release has occurred, and both the regulated 
    unit and one or more solid waste management unit(s) (or areas of 
    concern) are likely to have contributed to the release; and
        (2) It is not necessary to apply the requirements of this subpart 
    because the alternative requirements will protect human health and the 
    environment. The alternative standards for the regulated unit must meet 
    the requirements of 40 CFR 264.101(a).
        3. Section 265.110 is amended by adding new paragraphs (c) and (d) 
    to read as follows:
    
    
    Sec. 265.110  Applicability.
    
    * * * * *
        (c) Section 265.121 applies to owners and operators of units that 
    are subject to the requirements of 40 CFR 270.1(c)(7) and are regulated 
    under an enforceable document (as defined in 40 CFR 270.1(c)(7)).
        (d) The Regional Administrator may replace all or part of the 
    requirements of this subpart (and the unit-specific standards in 
    Sec. 265.111(c)) applying to a regulated unit (as defined in 40 CFR 
    264.90), with alternative requirements for closure set out in an 
    approved closure or post-closure plan, or in an enforceable document 
    (as defined in 40 CFR 270.1(c)(7)), where the Regional Administrator 
    determines that:
        (1) A regulated unit is situated among solid waste management units 
    (or areas of concern), a release has occurred, and both the regulated 
    unit and one or more solid waste management unit(s) (or areas of 
    concern) are likely to have contributed to the release, and
        (2) It is not necessary to apply the closure requirements of this 
    subpart (and/or those referenced herein) because the alternative 
    requirements will protect human health and the environment, and will 
    satisfy the closure performance standard of Sec. 265.111 (a) and (b).
        4. Section 265.112 is amended by adding new paragraphs (b)(8) and 
    (c)(1)(iv) to read as follows:
    
    
    Sec. 265.112  Closure plan; amendment of plan.
    
    * * * * *
        (b) * * *
        (8) For facilities where the Regional Administrator has applied 
    alternative requirements at a regulated unit under Secs. 265.90(f), 
    265.110(d), and/or 265.140(d), either the alternative requirements 
    applying to the regulated unit, or a reference to the enforceable 
    document containing those alternative requirements.
        (c) * * *
        (1) * * *
        (iv) The owner or operator requests the Regional Administrator to 
    apply alternative requirements to a regulated unit under 
    Secs. 265.90(f), 265.110(d), and/or 265.140(d).
    * * * * *
        5. Sec. 265.118 is amended by adding new paragraphs (c) (4) and 
    (5), and (d)(1)(iii) to read as follows:
    
    
    Sec. 265.118  Post-closure plan; amendment of plan.
    
    * * * * *
        (c) * * *
        (4) For facilities subject to Sec. 265.121, provisions that satisfy 
    the requirements of Sec. 265.121(a)(1) and (3).
        (5) For facilities where the Regional Administrator has applied 
    alternative requirements at a regulated unit under Secs. 265.90(f), 
    265.110(d), and/or 265.140(d), either the alternative requirements that 
    apply to the regulated unit, or a reference to the enforceable document 
    containing those requirements.
        (d) * * *
        (1) * * *
        (iii) The owner or operator requests the Regional Administrator to 
    apply alternative requirements to a regulated unit under 
    Secs. 265.90(f), 265.110(d), and/or 265.140(d).
    * * * * *
        5. A new Sec. 265.121 is added to Subpart G to read as follows:
    
    
    Sec. 265.121  Post-closure requirements for facilities that obtain 
    enforceable documents in lieu of post-closure permits.
    
        (a) Owners and operators who are subject to the requirement to 
    obtain a post-closure permit under 40 CFR 270.1(c), but who obtain 
    enforceable documents in lieu of post-closure permits, as provided 
    under 40 CFR 270.1(c)(7), must comply with the following requirements:
        (1) The requirements to submit information about the facility in 40 
    CFR 270.28;
        (2) The requirements for facility-wide corrective action in 
    Sec. 264.101 of this chapter;
        (3) The requirements of 40 CFR 264.91 through 264.100.
        (b)(1) The Regional Administrator, in issuing enforceable documents 
    under Sec. 265.121 in lieu of permits, will assure a meaningful 
    opportunity for public involvement which, at a minimum, includes public 
    notice and opportunity for public comment:
        (i) When the Agency becomes involved in a remediation at the 
    facility as a regulatory or enforcement matter;
        (ii) On the proposed preferred remedy and the assumptions upon 
    which the remedy is based, in particular those related to land use and 
    site characterization; and
        (iii) At the time of a proposed decision that remedial action is 
    complete at the facility. These requirements must be met before the 
    Regional Administrator may consider that the facility has met the 
    requirements of 40 CFR 270.1(c)(7), unless the facility qualifies for a 
    modification to these public involvement procedures under paragraph 
    (b)(2) or (3) of this section.
        (2) If the Regional Administrator determines that even a short 
    delay in the implementation of a remedy would adversely affect human 
    health or the environment, the Regional Administrator may delay 
    compliance with the requirements of paragraph (b)(1) of this section 
    and implement the remedy immediately. However, the Regional 
    Administrator must assure involvement of the public at the earliest 
    opportunity, and, in all cases, upon making the decision that 
    additional remedial action is not needed at the facility.
        (3) The Regional Administrator may allow a remediation initiated 
    prior to October 22, 1998 to substitute for corrective action required 
    under a post-closure permit even if the public involvement requirements 
    of paragraph (b)(1) of this section have not been met so long as the 
    Regional Administrator assures that notice and comment on the decision 
    that no further remediation is necessary to protect human health and 
    the environment takes place at the earliest reasonable opportunity 
    after October 22, 1998.
        6. Section 265.140 is amended by adding a new paragraph (d) to read 
    as follows:
    
    
    Sec. 265.140  Applicability.
    
    * * * * *
        (d) The Regional Administrator may replace all or part of the 
    requirements of this subpart applying to a regulated unit with 
    alternative requirements for financial assurance set out in the permit 
    or in an enforceable document (as
    
    [[Page 56735]]
    
    defined in 40 CFR 270.1(c)(7)), where the Regional Administrator:
        (1) Prescribes alternative requirements for the regulated unit 
    under Sec. 265.90(f) and/or 265.110(d), and
        (2) Determines that it is not necessary to apply the requirements 
    of this subpart because the alternative financial assurance 
    requirements will protect human health and the environment.
    
    PART 270--EPA ADMINISTERED PERMIT PROGRAMS: THE HAZARDOUS WASTE 
    PERMIT PROGRAM
    
        1. The authority citation for part 270 continues to read as 
    follows:
    
        Authority: 42 U.S.C. 6905, 6912, 6924, 6925, 6927, 6939, and 
    6974.
    
        2. Section 270.l is amended by revising paragraph (c) introductory 
    text and adding a new paragraph (c)(7) to read as follows:
    
    
    Sec. 270.1  Purpose and scope of these regulations.
    
    * * * * *
        (c) Scope of the RCRA permit requirement. RCRA requires a permit 
    for the ``treatment,'' ``storage,'' and ``disposal'' of any ``hazardous 
    waste'' as identified or listed in 40 CFR part 261. The terms 
    ``treatment,'' ``storage,'' ``disposal,'' and ``hazardous waste'' are 
    defined in Sec. 270.2. Owners and operators of hazardous waste 
    management units must have permits during the active life (including 
    the closure period) of the unit. Owners and operators of surface 
    impoundments, landfills, land treatment units, and waste pile units 
    that received waste after July 26, 1982, or that certified closure 
    (according to Sec. 265.115 of this chapter) after January 26, 1983, 
    must have post-closure permits, unless they demonstrate closure by 
    removal or decontamination as provided under Sec. 270.1(c)(5) and (6), 
    or obtain an enforceable document in lieu of a post-closure permit, as 
    provided under paragraph (c)(7) of this section. If a post-closure 
    permit is required, the permit must address applicable 40 CFR part 264 
    groundwater monitoring, unsaturated zone monitoring, corrective action, 
    and post-closure care requirements of this chapter. The denial of a 
    permit for the active life of a hazardous waste management facility or 
    unit does not affect the requirement to obtain a post-closure permit 
    under this section.
    * * * * *
        (7) Enforceable documents for post-closure care. At the discretion 
    of the Regional Administrator, an owner or operator may obtain, in lieu 
    of a post-closure permit, an enforceable document imposing the 
    requirements of 40 CFR 265.121. ``Enforceable document'' means an 
    order, a plan, or other document issued by EPA or by an authorized 
    State under an authority that meets the requirements of 40 CFR 
    271.16(e) including, but not limited to, a corrective action order 
    issued by EPA under section 3008(h), a CERCLA remedial action, or a 
    closure or post-closure plan.
        3. Section 270.14 is amended by adding a sentence to the end of 
    paragraph (a) to read as follows:
    
    
    Sec. 270.14  Contents of part B: General requirements.
    
        (a) * * * For post-closure permits, only the information specified 
    in Sec. 270.28 is required in Part B of the permit application.
    * * * * *
        4. A new Sec. 270.28 is added to Subpart B to read as follows:
    
    
    Sec. 270.28  Part B information requirements for post-closure permits.
    
        For post-closure permits, the owner or operator is required to 
    submit only the information specified in Secs. 270.14(b)(1), (4), (5), 
    (6), (11), (13), (14), (16), (18) and (19), (c), and (d), unless the 
    Regional Administrator determines that additional information from 
    Secs. 270.14, 270.16, 270.17, 270.18, 270.20, or 270.21 is necessary. 
    The owner or operator is required to submit the same information when 
    an alternative authority is used in lieu of a post-closure permit as 
    provided in Sec. 270.1(c)(7).
    
    PART 271--REQUIREMENTS FOR AUTHORIZATION OF STATE HAZARDOUS WASTE 
    PROGRAMS
    
        1. The authority citation for part 271 continues to read as 
    follows:
    
        Authority: 42 U.S.C. 6905, 6912(a) and 6926.
    
        2. Section 271.16 is amended by adding a new paragraph (e) to read 
    as follows:
    
    
    Sec. 271.16  Requirements for enforcement authority.
    
    * * * * *
        (e) Any State authority used to issue an enforceable document 
    either in lieu of a post-closure permit as provided in 40 CFR 
    270.1(c)(7), or as a source of alternative requirements for regulated 
    units, as provided under 40 CFR 264.90(f), 264.110(c), 264.140(d), 
    265.90(d), 265.110(d), and 265.140(d), shall have available the 
    following remedies:
        (1) Authority to sue in courts of competent jurisdiction to enjoin 
    any threatened or continuing violation of the requirements of such 
    documents, as well as authority to compel compliance with requirements 
    for corrective action or other emergency response measures deemed 
    necessary to protect human health and the environment; and
        (2) Authority to access or sue to recover in court civil penalties, 
    including fines, for violations of requirements in such documents.
    
    [FR Doc. 98-28221 Filed 10-19-98; 10:16 am]
    BILLING CODE 6560-50-P
    
    
    

Document Information

Effective Date:
10/22/1998
Published:
10/22/1998
Department:
Environmental Protection Agency
Entry Type:
Rule
Action:
Final rule.
Document Number:
98-28221
Dates:
This rule is effective October 22, 1998.
Pages:
56710-56735 (26 pages)
Docket Numbers:
FRL-6178-7
RINs:
2050-AD55: Hazardous Waste Management System: Post-Closure Requirements
RIN Links:
https://www.federalregister.gov/regulations/2050-AD55/hazardous-waste-management-system-post-closure-requirements
PDF File:
98-28221.pdf
CFR: (38)
40 CFR 265.121(a)(1)
40 CFR 265.121(a)(1)
40 CFR 262.121(b)
40 CFR 265.121(b)(2)
40 CFR 265.121(b)(3)
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