94-26817. National Emission Standards for Hazardous Air Pollutants for Source Categories: Organic Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry and Other Processes Subject to the Negotiated Regulation for ...  

  • [Federal Register Volume 59, Number 208 (Friday, October 28, 1994)]
    [Unknown Section]
    [Page ]
    From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
    [FR Doc No: 94-26817]
    
    
    [Federal Register: October 28, 1994]
    
    
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    ENVIRONMENTAL PROTECTION AGENCY
    
    40 CFR Part 63
    
    [AD-FRL-5099-3]
    RIN 2060-AC19
    
    
    National Emission Standards for Hazardous Air Pollutants for 
    Source Categories: Organic Hazardous Air Pollutants From the Synthetic 
    Organic Chemical Manufacturing Industry and Other Processes Subject to 
    the Negotiated Regulation for Equipment Leaks
    
    AGENCY: Environmental Protection Agency (EPA).
    
    ACTION: Proposed compliance extension and proposed changes to subpart 
    H.
    
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    SUMMARY: Elsewhere in today's Federal Register, the EPA is announcing a 
    3-month stay and reconsideration of certain portions of the ``National 
    Emission Standards for Hazardous Air Pollutants from the Synthetic 
    Organic Chemical Manufacturing Industry and Other Processes Subject to 
    the Negotiated Regulation for Equipment Leaks'' (collectively known as 
    the ``hazardous organic NESHAP'' or the ``HON''). The EPA is issuing 
    the stay pursuant to Clean Air Act section 307(d)(7)(B), 42 U.S.C. 
    7606(d)(7)(B), which provides the Administrator authority to stay the 
    effectiveness of a rule during reconsideration.
        This action is a proposal to extend the compliance date for certain 
    compressors and for surge control vessels and bottoms receivers to 
    allow the time necessary for installation of controls. Changes are also 
    being proposed to the applicability of control requirements for surge 
    control vessels and bottoms receivers. This action also proposes a 
    temporary extension of the applicable compliance dates beyond the 3 
    months of the stay, but only as necessary to complete reconsideration 
    (including appropriate regulatory action) of the rule in question.
    
    DATES: Comments. Comments must be received on or before November 28, 
    1994, unless a hearing is requested by November 7, 1994. If a hearing 
    is requested, written comments must be received by December 12, 1994.
        Public Hearing. Anyone requesting a public hearing must contact the 
    EPA no later than November 7, 1994. If a hearing is held, it will take 
    place on November 14, 1994, beginning at 10:00 a.m.
    
    ADDRESSES: Comments. Comments should be submitted (in duplicate, if 
    possible) to: Air and Radiation Docket and Information Center (6102), 
    Attention Docket Number A-90-20 (see docket section below), room M-
    1500, U.S. Environmental Protection Agency, 401 M Street, SW, 
    Washington, D.C. 20460. The EPA requests that a separate copy also be 
    sent to the contact person listed below.
        Public Hearing. If a public hearing is held, it will be held at the 
    EPA's Office of Administration Auditorium, Research Triangle Park, 
    North Carolina. Persons interested in attending the hearing or wishing 
    to present oral testimony should notify Mrs. Kim Teal, U.S. 
    Environmental Protection Agency, Research Triangle Park, N.C. 27711, 
    telephone (919) 541-5580.
        Docket. Dockets No. A-90-20 and A-89-10, containing the supporting 
    information for the original NESHAP and this action, are available for 
    public inspection and copying between 8:00 a.m. and 5:30 p.m., Monday 
    through Friday, at the EPA's Air and Radiation Docket and Information 
    Center, Waterside Mall, room M-1500, first floor, 401 M Street SW, 
    Washington, DC 20460, or by calling (202) 260-7548 or 260-7549. A 
    reasonable fee may be charged for copying.
    
    FOR FURTHER INFORMATION CONTACT: Dr. Janet S. Meyer, Emission Standards 
    Division (MD-13), U.S. Environmental Protection Agency, Office of Air 
    Quality Planning and Standards, Research Triangle Park, North Carolina 
    27711, telephone number (919) 541-5254.
    
    SUPPLEMENTARY INFORMATION:
    
    I. Background
    
        On April 22, 1994 (59 FR 19402), and June 6, 1994 (59 FR 29196), 
    the EPA promulgated in the Federal Register national emission standards 
    for hazardous air pollutants (``NESHAP'') for the synthetic organic 
    chemical manufacturing industry (SOCMI), and for several other 
    processes subject to the equipment leaks portion of the rule. These 
    regulations were promulgated as subparts F, G, H, and I in 40 CFR part 
    63, and are commonly referred to as the hazardous organic NESHAP, or 
    the HON. The final rule required existing sources to comply with 
    subpart H beginning October 24, 1994 for some groups of SOCMI processes 
    and for processes subject to subpart I. These compliance dates were the 
    same as the proposed compliance dates and were consistent with the 
    agreement on the negotiated rule for equipment leaks. The final rule 
    required existing sources to comply with subpart G no later than April 
    22, 1997.
        Public comments on the proposed rule included a substantial number 
    of requests for a compliance schedule for subpart H similar to the 3-
    year schedule provided under subpart G. Several commenters argued that 
    the 6-to-18-month compliance period in proposed subpart H did not take 
    into consideration the implementation problems that could arise during 
    installation of required equipment. A few commenters thought that 
    proposed subpart H did not permit applications for compliance 
    extensions. The EPA did not revise the compliance schedule as requested 
    because the commenters did not provide any information that would 
    justify establishing a source-category-wide compliance schedule similar 
    to that provided in subpart G. Due to the lack of detailed information 
    on equipment changes and installation schedules, the EPA thought that 
    case-by-case compliance extensions would be sufficient to address any 
    implementation problems that might arise. In issuing the final rule, 
    the EPA added a provision, Sec. 63.182(a)(6), to clarify that 
    individual extensions of compliance may be requested for installation 
    of equipment required by subpart H.
        The second major area of public comment concerned the proposed 
    definition of product accumulator vessel and its overlap with the 
    definitions for process vents and storage vessels. Major concerns 
    expressed included: (1) The proposed definition did not distinguish 
    between product accumulator vessels and process vents, storage vessels 
    or other in-process vessels; (2) multiple standards (process vents 
    under subpart G and equipment leaks under subpart H) would apply to the 
    same vent; and (3) product accumulator vessels, which are point 
    sources, would be regulated under provisions that were intended for 
    fugitive emissions (i.e., equipment leaks). These commenters suggested 
    eliminating the inconsistencies by: (1) Deleting the subpart H 
    requirements for product accumulator vessels and regulating them as 
    process vents or storage vessels under subpart G; or (2) allowing 
    sources to select whether to comply with the requirements of subpart G 
    or subpart H. Several commenters representing the non-SOCMI processes 
    subject to subpart H also suggested deleting requirements for product 
    accumulator vessels for those processes from subpart H. A few of these 
    commenters thought that the EPA had added these provisions to the 
    negotiated rule after the conclusion of the negotiations. The 
    commenters preferred regulating such vessels under future MACT 
    standards for the appropriate source category.
        As described in the April 22, 1994 Federal Register (59 FR 19440), 
    the EPA concluded that, of the equipment included in the definition of 
    ``product accumulator vessels,'' only surge control vessels and bottoms 
    receivers were outside the scope of process vents, storage vessels, and 
    wastewater. Therefore, the term ``product accumulator vessel'' was 
    removed from subpart H, and replaced with ``surge control vessels and 
    bottoms receivers.'' This change was intended to clarify the 
    applicability of the rules and was not a change in the substance or 
    effect of the negotiated rule.
        Since the final rule was issued, it has become apparent that 
    compliance with the provisions of Sec. 63.164 and Sec. 63.170 involves 
    more equipment modifications and changes than originally believed. 
    Additionally, the EPA has determined that an administrative process 
    needs to be added to subparts F and I to establish these case-by-case 
    compliance extensions. A petition for reconsideration has been 
    submitted to the EPA requesting reconsideration of the compliance dates 
    for compressors, Sec. 63.164, and for surge control vessels and bottoms 
    receivers, Sec. 63.170.
    
    II. Summary of and Rationale for Proposed Revisions
    
        The purpose of this proposal is to revise the compliance dates for 
    compressors and for surge control vessels and bottoms receivers to 
    provide sufficient time to make the equipment changes necessary for 
    compliance with the provisions of Sec. 63.164 and Sec. 63.170. It is 
    proposed to add new paragraphs Sec. 63.100 (k)(4) through (k)(7) and 
    Sec. 63.103(g) to subpart F to revise the compliance dates for existing 
    sources and to document the use of the compliance extensions. Similar 
    changes are also being proposed for subpart I, as new paragraphs 
    Sec. 63.190 (e)(3) through (e)(5). This action also proposes a revised 
    Sec. 63.170 to address issues that have arisen over technical 
    feasibility of these control provisions and confusion over the 
    distinction between surge control vessels, on the one hand, and process 
    vents or storage vessels, on the other hand. This action also proposes 
    to add paragraph (k)(8) to Sec. 63.100 and paragraph (h) to Sec. 63.103 
    providing a compliance extension for processes that plan to eliminate 
    the use of or production of HAP.
    
    A. Surge Control Vessels and Bottoms Receivers
    
    1. Compliance Schedule
        Compliance with the provisions of Sec. 63.170 requires that the 
    surge control vessel or bottoms receiver be routed to the process or to 
    a control device. Since the rule was issued, the EPA has received 
    numerous inquiries regarding the feasibility of complying in the 
    specified compliance period given the nature of the process changes 
    required for either of the compliance options. Based on this 
    information and review of the rulemaking record, the EPA has concluded 
    that the nature of the equipment changes required is similar to the 
    changes required for compliance with the provisions for process vents, 
    storage vessels, etc. subject to subpart G. The scope of the equipment 
    changes is, thus, more complex than was originally envisioned when the 
    6-month compliance date was selected.
        The new information that the EPA has received demonstrates that at 
    many facilities major equipment modifications or replacements are 
    necessary in order to comply with the standard. The process changes 
    involved include rerouting of a vent stream to a control device or to 
    the process; replacement of a surge control vessel operated at 
    atmospheric pressure with another that can be operated at a pressure 
    greater than atmospheric; replacement, removal or addition of other 
    equipment; and process redesign. Such process changes take more than a 
    few months to effect, especially considering planning, approval of 
    permits, and in some cases approval by the Food and Drug Administration 
    or other government entities. All these changes require the same degree 
    of engineering design and evaluation that the controls required for 
    process vents and storage vessels require. Furthermore, from the range 
    of situations reported, it appears that the need for additional time to 
    implement the required equipment changes is not limited to specific 
    processes or kinds of equipment.
        In light of new information received since publication of the final 
    rule, the EPA has concluded that the compliance date for surge control 
    vessels and bottoms receivers should be the same as that for process 
    vents and other equipment subject to subpart G, i.e., April 22, 1997. 
    Due to the widespread need for the additional time to design, purchase, 
    install, and permit new equipment, the EPA proposes to revise the 
    compliance date to April 22, 1997 for all sources subject to the 
    provisions of Sec. 63.170. This proposed language is presented in 
    Sec. 63.100(k)(7) of subpart F and Sec. 63.190(e)(6) of subpart I.
    2. Revisions to Sec. 63.170
        In addition to the concern with the achievability of the compliance 
    dates, the EPA has received numerous inquiries regarding the definition 
    of surge control vessels and the distinction between surge control 
    vessels (and bottoms receivers) and storage vessels. The EPA has 
    concluded from these discussions that this confusion is partially 
    attributable to the fact that the present definition for surge control 
    vessel is too broad and implies that any vessel that is not a storage 
    vessel, e.g., knockout pot, is a surge control vessel. A revised 
    definition for ``surge control vessel'' is being proposed to clarify 
    that the term is limited to vessels that are within the process unit to 
    provide in-process storage, mixing or management of flow rates or 
    volumes to assist in production of a product.
        Even with this revised definition, the EPA recognizes that 
    considerable overlap will remain between vessels used for storage of 
    materials, storage vessels, and equipment that meets the definition of 
    surge control vessels or bottoms receivers. This is expected because 
    the equipment is frequently indistinguishable in terms of structure, 
    size, materials of construction, and materials stored. In many cases, 
    these items of equipment may be distinguished only after reviewing 
    process diagrams to determine whether the chemicals in the vessel will 
    undergo further processing steps at the chemical manufacturing process 
    unit. The EPA is aware that in some cases surge control vessels and 
    other unit operations have been regulated as storage vessels although 
    the function of the particular vessels was not for storage of feed 
    materials or product. This classification probably occurred because the 
    equipment is physically indistinguishable from other containers used 
    for storage.
        To minimize the confusion over appropriate categorization of 
    equipment, the EPA believes it would be most appropriate to apply the 
    same control criteria to surge control vessels and bottoms receivers 
    that are applied to storage vessels in subpart G. This approach should 
    provide a workable solution to the problem by eliminating the remaining 
    differences between the two categories of equipment and should avoid 
    creating unforeseen problems. An additional consideration in this 
    decision was that this approach would involve only minimal changes to 
    the present text of the rule. Given the length and complexity of the 
    HON as a whole, the EPA thinks such a change would be understood more 
    readily and with fewer implementation delays. If surge control vessels 
    and bottoms receivers were addressed in subpart G, substantial 
    redrafting would be required throughout subpart G. Therefore, the EPA 
    considered this alternative to have a greater potential for creating 
    more issues and confusion than if the problem were addressed in subpart 
    H.
        The use of the storage vessel control criteria is also considered 
    appropriate for the following reasons. First, it would take 
    considerable time, perhaps as much as 1 to 2 years, to gather the 
    necessary information and establish separate control requirements for 
    surge control vessels and bottoms receivers. Second, information 
    presently available to the EPA indicates that surge control vessels and 
    bottoms receivers have been regulated as storage vessels in a number of 
    cases. Third, the range of physical characteristics and operating 
    conditions of surge control vessels and bottoms receivers appears to 
    substantially overlap that of storage vessels. Although the EPA does 
    not have quantitative data on the characteristics and controls of surge 
    control vessels and bottoms receivers, EPA considers the storage vessel 
    information to provide the best available data on the characteristics 
    of surge control vessels and bottoms receivers. Therefore, the EPA 
    believes the MACT floor analysis and selection of the standard analysis 
    for storage vessels are adequate for surge control vessels and bottoms 
    receivers.
    
    B. Compressors
    
        The provisions of Sec. 63.164 require the use of mechanical seals 
    equipped with a barrier-seal system and controlled degassing of the 
    barrier fluid or enclosure of the compressor seal area and venting of 
    emissions through a closed-vent system to a control device. The 
    standard also allows designation of a compressor as being subject to a 
    500 ppm performance standard. These provisions are consistent with the 
    provisions in existing equipment leak standards in 40 CFR parts 60 and 
    61. Because no public comments were received that identified categories 
    of compressors or types of changes that justified compliance times 
    longer than the 6 to 18 months provided in the proposed rule, the EPA 
    concluded that case-by-case extensions would be sufficient to address 
    any implementation problems that might arise.
        Since the final rule was issued, the EPA has received new 
    information that indicates it is infeasible for some sources subject to 
    the October 24, 1994 compliance date to comply with the compressor 
    provisions in the allotted 6-month compliance period. In the 
    development of the equipment leak rule, the EPA treated control of 
    compressors as requiring similar lead times and control measures as 
    those required for control of pumps. It has since been determined that 
    significant differences exist in the time required to make the 
    necessary equipment changes for compressors. In particular for some 
    compressors, compliance with the provisions of Sec. 63.164 requires 
    replacement of an existing mechanical seal system or identification of 
    an alternative barrier fluid system. Because compressors are 
    individually designed for each process and for the expected range of 
    operating conditions (pressure, temperature, chemicals in the process, 
    etc.), selection of replacement seal or barrier fluid systems requires 
    case-by-case engineering evaluation and equipment specification. 
    Replacement of a seal system or barrier fluid system for a compressor 
    could involve significant capital outlay and always requires careful 
    planning and evaluation to ensure continued proper operation of the 
    compressor. For projects of this nature, the time required to conduct 
    and complete such an assessment, write equipment specifications, bid 
    and purchase the equipment is roughly 1 year. Actual installation of 
    the replacement seal or barrier fluid system reportedly can be 
    completed within 1 week. Thus, the EPA believes that 1 year is the 
    minimum feasible period for installation of required equipment. 
    Therefore, the EPA is proposing to revise the compliance date for 
    compressors at process units subject to the October 24, 1994 and 
    January 23, 1995 compliance dates to April 24, 1995. The proposed 
    language is presented in new paragraph Sec. 63.100(k)(4) in subpart F 
    and Sec. 63.190(e)(3) in subpart I.
        The EPA has also determined that provisions need to be added to 
    subparts F and I to provide a mechanism for owners or operators to 
    request case-by-case compliance extensions for delays due to 
    unavailability of parts. Since replacement seal systems and barrier 
    fluid systems are designed for the compressor and the unit, it is 
    possible that the vendor company may not be able to provide the 
    replacement system on schedule and there would be no other vendor who 
    could quickly provide the parts. When the EPA established the 
    compliance date for the compressor provisions, the possible need for 
    such a compliance extension was not recognized. Therefore, the EPA is 
    proposing to allow application for a compliance extension in cases 
    where replacement of the seal system or barrier fluid system is 
    required and additional time is necessary due to unavailability of 
    parts. The proposed language is presented in new paragraph 
    Sec. 63.100(k)(5) to subpart F and paragraph Sec. 63.190(e)(4) to 
    subpart I. The EPA expects that this compliance extension provision 
    will be used only in those rare cases where, despite proper planning 
    and scheduling by the owner or operator, the replacement seal or 
    barrier fluid system is not available on time. The EPA expects that 
    with the proposed revisions to the compliance date the vast majority of 
    compressors will not need compliance extensions.
        In reevaluating the compliance period provided in the rule for 
    compressors, the EPA also reconsidered whether it was appropriate to 
    allow compliance extensions in cases where a process unit shutdown is 
    necessary to permit installation of the replacement seal system or 
    barrier fluid system. Typically, in a shutdown of a process unit with a 
    compressor, the entire system is depressurized and the equipment is 
    cleared of process fluids. Even with good air pollution control 
    practices, such a process unit shutdown could involve substantially 
    more emissions than if the compressor were allowed to operate with 
    seals that do not meet the technical specifications of the standard. 
    Whether delaying installation of replacement seals or barrier fluid 
    systems is environmentally beneficial depends on the particular 
    circumstances of each case as well as the length of the delay. 
    Therefore, after evaluating the tradeoffs, the EPA concluded that 
    compliance extensions until the next scheduled process unit shutdown 
    should be allowed in certain circumstances. The EPA also judged that, 
    based on estimates of the expected tradeoffs in emissions reduction, 
    all compressors should be in compliance with the requirements of 
    Sec. 63.164 no later than April 22, 1996. These proposed changes to the 
    compliance dates are presented in paragraph Sec. 63.100(k)(5) of 
    subpart F and Sec. 63.190(e)(5). The EPA wants to emphasize that these 
    proposed compliance extensions would be available only in cases where a 
    process unit shutdown is necessary to allow installation of a new seal 
    system or a new barrier fluid system or requires changes to the 
    existing barrier fluid system.
    
    C. Proposed Sec. 63.100(k)(8)
    
        The EPA is proposing to allow compliance extensions for processes 
    that plan to eliminate the use or production of HAP from their process. 
    Subpart I presently provides, in Sec. 63.190(e), additional time for 
    such process changes. The proposed new paragraph Sec. 63.100(k)(8) 
    would be added to subpart F to address an oversight in the drafting of 
    the final rule.
    
    D. Proposed Compliance Extension
    
        Elsewhere in today's Federal Register, the EPA is announcing, 
    pursuant to Clean Air Act section 307(d)(7)(B), reconsideration of the 
    equipment leak provisions of the HON dealing with compressors and with 
    surge control vessels and bottoms receivers (40 CFR 63.164, 63.170). In 
    that action the EPA is also announcing a 3-month partial stay of those 
    provisions during the reconsideration. However, the EPA may not be able 
    to complete reconsideration of, and any appropriate curative regulatory 
    action to, the rule within the 3-month period expressly provided by 
    Clean Air Act section 307(d)(7)(B). If the EPA does not complete the 
    reconsideration and rulemaking in this timeframe, then it will be 
    necessary to temporarily extend the applicable compliance dates until 
    the EPA completes final rulemaking action upon reconsideration. By this 
    action the EPA proposes, pursuant to section 301(a)(1) of the Clean Air 
    Act, 42 U.S.C. 7601(a)(1), a temporary extension of the compliance 
    dates beyond the 3 months provided for Group I sources that had been 
    required to comply with subpart H by October 24, 1994, and for sources 
    required to comply as of January 23, 1995 or later, only as necessary 
    to complete reconsideration and revision of the rule in question. As 
    the EPA expects to be able to complete reconsideration of these 
    regulatory provisions expeditiously, the EPA does not believe this 
    temporary extension will, as a practical matter, affect the compliance 
    dates for sources in Groups III, IV, or V since completion of the 
    rulemaking is expected before April 24, 1995. If, following 
    consideration of public comment, the EPA takes final action to extend 
    these compliance dates, the dates would be extended until the effective 
    date of the EPA's final action following reconsideration of these 
    rules.
        The EPA is proposing this temporary extension of the compliance 
    dates in order to complete reconsideration of the rule, as discussed 
    above. The EPA intends to complete its reconsideration of the rule and, 
    following the notice and comment procedures of section 307(d) of the 
    Clean Air Act, take appropriate action as expeditiously as practicable. 
    The EPA will seek to ensure that the affected parties are not unduly 
    prejudiced by the EPA's reconsideration.
    
    III. Impacts
    
    A. Surge Control Vessels and Bottoms Receivers
    
        The proposed revisions to the compliance date and the control 
    requirements for surge control vessels and bottoms receivers will not 
    affect the estimated emissions reduction and control cost for the rule. 
    In the background analyses used to characterize emissions, emission 
    reductions, and control costs for this rule, the EPA treated surge 
    control vessels and bottoms receivers as either process vents or 
    storage vessels. This approach was taken due to the lack of sufficient 
    data to characterize surge control vessels and bottoms receivers and 
    the EPA's view that this equipment could be best characterized as a 
    storage vessel. Consequently, the proposed revisions to the compliance 
    date and the requirements of Sec. 63.170 have no effect on the emission 
    reductions or cost estimates.
    
    B. Compressors
    
        The proposed revisions to the compliance date for compressors 
    provisions are estimated to have a negligible effect on the emissions 
    reduction due to the equipment leak control requirements. Emissions 
    from compressors contribute only a small portion of the estimated 
    emissions from equipment leaks because there are very few compressors 
    located in SOCMI process units. Information from earlier EPA studies 
    also shows that the majority of compressors in SOCMI already meet most, 
    if not all, of the equipment specifications in Sec. 63.164. Moreover, 
    because of the nature of the equipment changes and the long lead time, 
    the EPA believes the proposed revisions will not result in delays of 
    installation of required controls. These proposed revisions to subpart 
    H are not expected to affect the estimated cost of compliance with the 
    rule.
    
    IV. Administrative
    
    A. Paperwork Reduction Act
    
        The information collection requirements of the previously 
    promulgated NESHAP were submitted to and approved by the Office of 
    Management and Budget (OMB). A copy of this Information Collection 
    Request (ICR) document (OMB control number 1414.02) may be obtained 
    from Sandy Farmer, Information Policy Branch (PM-223Y); U.S. 
    Environmental Protection Agency; 401 M Street, SW; Washington, DC 20460 
    or by calling (202) 260-2740.
        Today's changes to the NESHAP would have a minor impact on the 
    information collection burden estimates made previously. The added 
    provisions provide a mechanism to request compliance extensions and are 
    not required reports. Therefore, the ICR has not been revised.
    
    B. Executive Order 12866 Review
    
        The HON rule promulgated on April 22, 1994 was considered 
    ``significant'' under Executive Order 12866 and a regulatory impact 
    analysis (RIA) was prepared. The amendments proposed today would revise 
    compliance dates to provide the time necessary for installation of 
    controls and do not add any additional control requirements. The EPA 
    believes that these proposed amendments would have a negligible impact 
    on the results of the RIA and the change is considered to be within the 
    uncertainty of the analysis. For the reasons discussed in section III, 
    the impacts on emissions reduction are also believed to be negligible.
    
    C. Regulatory Flexibility Act
    
        The Regulatory Flexibility Act of 1980 requires the identification 
    of potentially adverse impacts of Federal regulations upon small 
    business entities. The Act specifically requires the completion of a 
    Regulatory Flexibility Analysis in those instances where small business 
    impacts are possible. Because this rulemaking imposes no adverse 
    economic impacts, a Regulatory Flexibility Analysis has not been 
    prepared.
    
    List of Subjects in 40 CFR Part 63
    
        Air pollution control, Intergovernmental relations, Reporting and 
    recordkeeping requirements.
    
        Pursuant to the provisions of 5 U.S.C. 605(b), I hereby certify 
    that this rule will not have a significant economic impact on a 
    substantial number of small business entities.
    
        Dated: October 24, 1994.
    Carol M. Browner,
    Administrator.
    
        For the reasons set out in the preamble, part 63 of chapter I of 
    title 40 of the Code of Federal Regulations is proposed to be amended 
    as follows:
    
    PART 63--NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS 
    FOR SOURCE CATEGORIES
    
        1. The authority citation for part 63 continues to read as follows:
    
        Authority: 42 U.S.C. 7401, 7412, 7414, 7416, and 7601.
    
    Subpart F--National Emission Standards for Organic Hazardous Air 
    Pollutants from the Synthetic Organic Chemical Manufacturing 
    Industry
    
        2. Section 63.100 is amended by revising paragraph (k) introductory 
    text, revising the first sentence of paragraph (k)(3), and by adding 
    paragraphs (k)(4) through (k)(8) to read as follows:
    
    
    Sec. 63.100  Applicability and designation of source.
    
    * * * * *
        (k) Except as provided in paragraphs (l) and (m) of this section, 
    sources subject to subparts F, G, or H of this part are required to 
    achieve compliance on or before the dates specified in paragraphs 
    (k)(1) through (k)(8) of this section.
    * * * * *
        (3) Existing sources shall be in compliance with subpart H of this 
    part no later than the dates specified in paragraphs (k)(3)(i) through 
    (k)(3)(v) of this section, except as provided for in paragraphs (k)(4) 
    through (k)(8) of this section. * * *
        (4) Existing chemical manufacturing process units in Groups I and 
    II as identified in table 1 of this subpart shall be in compliance with 
    the requirements of Sec. 63.164 of subpart H no later than April 24, 
    1995 for any compressor meeting one or more of the criteria in 
    paragraphs (k)(4)(i) through (k)(4)(iii) of this section, if the work 
    can be accomplished without a process unit shutdown, as defined in 
    Sec. 63.161 in subpart H.
        (i) The seal system will be replaced;
        (ii) A barrier fluid system will be installed; or
        (iii) A new barrier fluid will be utilized which requires changes 
    to the existing barrier fluid system.
        (5) Existing chemical manufacturing process units shall be in 
    compliance with the requirements of Sec. 63.164 in subpart H no later 
    than 1 year after the applicable compliance date specified in paragraph 
    (k)(3) of this section, for any compressor meeting the criteria in 
    paragraphs (k)(5)(i) through (k)(5)(iv) of this section.
        (i) The compressor meets one or more of the criteria specified in 
    paragraphs (k)(4) (i) through (iii) of this section;
        (ii) The work can be accomplished without a process unit shutdown 
    as defined in Sec. 63.161 of subpart H;
        (iii) The additional time is actually necessary due to the 
    unavailability of parts beyond the control of the owner or operator; 
    and
        (iv) The owner or operator submits the request to the EPA Regional 
    Office at the addresses listed in Sec. 63.13 of subpart A of this part 
    no later than 45 days before the applicable compliance date in 
    paragraph (k)(3) of this section, but in no event earlier than [date 30 
    days after publication of final rule in the Federal Register]. The 
    request shall include the information specified in paragraphs 
    (k)(5)(iv)(A) through (k)(5)(iv)(E) of this section. Unless the EPA 
    Regional Office objects to the request within 30 days after receipt, 
    the request shall be deemed approved.
        (A) The name and address of the owner or operator and the address 
    of the existing source if it differs from the address of the owner or 
    operator;
        (B) The name, address, and telephone number of a contact person for 
    further information;
        (C) An identification of the chemical manufacturing process unit, 
    and of the specific equipment for which additional compliance time is 
    required;
        (D) The reason compliance can not reasonably be achieved by the 
    applicable date specified in paragraphs (k)(3)(i) through (k)(3)(v) of 
    this section; and
        (E) The date by which the owner or operator expects to achieve 
    compliance.
        (6) If compliance with the compressor provisions of Sec. 63.164 of 
    subpart H of this part can not reasonably be achieved without a process 
    unit shutdown, as defined in Sec. 63.161 of subpart H, the owner or 
    operator shall achieve compliance no later than April 22, 1996. The 
    owner or operator who elects to use this provision shall comply with 
    the requirements of Sec. 63.103(g) of this subpart.
        (7) Existing sources shall be in compliance with the provisions of 
    Sec. 63.170 of subpart H no later than April 22, 1997.
        (8) If an owner or operator of a chemical manufacturing process 
    unit subject to the provisions of subparts F, G, and H of this part 
    plans to implement pollution prevention measures to eliminate the use 
    or production of HAP listed in table 2 of this subpart by October 23, 
    1995, the provisions of subpart H do not apply regardless of the 
    compliance dates specified in paragraph (k)(3) of this section. The 
    owner or operator who elects to use this provision shall comply with 
    the requirements of Sec. 63.103(h) of this subpart.
    * * * * *
        3. Section 63.103 is amended by adding paragraphs (g) and (h) to 
    read as follows:
    
    
    Sec. 63.103  General compliance, reporting, and recordkeeping 
    provisions.
    
    * * * * *
        (g) An owner or operator who elects to use the compliance extension 
    provisions of Sec. 63.100(k)(6) shall submit the compliance extension 
    request to the EPA Regional Office no later than 45 days before the 
    applicable compliance date in Sec. 63.100(k)(3), but in no event 
    earlier than [date 30 days after publication of final rule in the 
    Federal Register]. The request shall contain the information specified 
    in Sec. 63.100(k)(5)(iv) and the reason compliance can not reasonably 
    be achieved without a process unit shutdown, as defined in Sec. 63.161.
        (h) An owner or operator who elects to use the compliance extension 
    provisions of Sec. 63.100(k)(8) shall submit to the EPA Regional Office 
    a brief description of the process change, identify the HAP eliminated, 
    and the expected date of cessation of operation of the current process. 
    The description shall be submitted no later than [date 30 days after 
    publication of the final rule in the Federal Register] or with the 
    Notice of Compliance Status as required in Sec. 63.182(c) of subpart H, 
    whichever is later.
    
    Subpart H--National Emission Standards for Organic Hazardous Air 
    Pollutants for Equipment Leaks
    
        4. Section 63.161 is amended by revising the definition of surge 
    control vessel to read as follows:
    
    
    Sec. 63.161  Definitions.
    
    * * * * *
        Surge control vessel means feed drums, recycle drums, and 
    intermediate vessels. Surge control vessels are used within a chemical 
    manufacturing process unit when in-process storage, mixing, or 
    management of flow rates or volumes is needed on a recurring or ongoing 
    basis to assist in production of a product.
    * * * * *
        5. Section 63.170 is revised to read as follows:
    
    
    Sec. 63.170  Standards: Surge control vessels and bottoms receivers.
    
        Each surge control vessel or bottoms receiver that is not routed 
    back to the process and that meets the conditions specified in table 2 
    or table 3 of this subpart shall be equipped with a closed-vent system 
    that routes the organic vapors vented from the vessel or bottoms 
    receiver back to the process or to a control device that complies with 
    the requirements in Sec. 63.172 of this subpart, except as provided in 
    Sec. 63.162(b) of this subpart.
        6. Subpart H is amended by adding tables 2 and 3 to read as 
    follows:
    * * * * * 
    
      Table 2 to Subpart H.--Surge Control Vessels and Bottom Receivers at  
                                Existing Sources                            
    ------------------------------------------------------------------------
                                                                   Vapor    
                                                                 Pressurea  
                 Vessel Capacity (cubic meters)                (kilopascals)
                                                                            
    ------------------------------------------------------------------------
    75  capacity < 151............................="">13
                                                                        .1  
    151  capacity.................................  5.
                                                                        2   
    ------------------------------------------------------------------------
    aMaximum true vapor pressure of total organic HAP at operating          
      temperature.                                                          
    
    
      Table 3 to Subpart H.--Surge Control Vessels and Bottom Receivers at  
                                Existing Sources                            
    ------------------------------------------------------------------------
                                                                   Vapor    
                                                                 Pressurea  
                 Vessel Capacity (cubic meters)                (kilopascals)
                                                                            
    ------------------------------------------------------------------------
    38  capacity < 151............................="">13
                                                                        .1  
    151  capacity.................................  0.
                                                                        7   
    ------------------------------------------------------------------------
    aMaximum true vapor pressure of total organic HAP at operating          
      temperature.                                                          
    
    Subpart I--National Emission Standards for Organic Hazardous Air 
    Pollutants for Certain Processes Subject to the Negotiated 
    Regulation for Equipment Leaks
    
        7. Section 63.190 is amended by revising paragraph (e)(2) and by 
    adding paragraph (e)(3) through (e)(6) to read as follows:
    * * * * *
    
    
    Sec. 63.190  Applicability and designation of source.
    
        (e) * * *
        (1) * * *
        (2) Existing sources shall comply no later than October 24, 1994, 
    except as provided in paragraphs (e)(3) through (e)(7) of this section 
    or unless an extension has been granted by the EPA Regional Office or 
    operating permit authority as provided in Sec. 63.6(i) of subpart A of 
    this part.
        (3) Existing chemical manufacturing process units shall be in 
    compliance with the requirements of Sec. 63.164 of subpart H no later 
    than April 24, 1995 for any compressor meeting one or more of the 
    criteria in paragraphs (e)(3)(i) through (e)(3)(iii) of this section, 
    if the work can be accomplished without a process unit shutdown, as 
    defined in Sec. 63.161.
        (i) The seal system will be replaced;
        (ii) A barrier fluid system will be installed; or
        (iii) A new barrier fluid will be utilized which requires changes 
    to the existing barrier fluid system.
        (4) Existing chemical manufacturing process units shall be in 
    compliance with the requirements of Sec. 63.164 of subpart H no later 
    than January 23, 1996, for any compressor meeting the criteria in 
    paragraphs (e)(4)(i) through (e)(4)(iv) of this section.
        (i) The compressor meets one or more of the criteria specified in 
    paragraphs (e)(3) (i) through (iii) of this section;
        (ii) The work can be accomplished without a process unit shutdown 
    as defined in Sec. 63.161;
        (iii) The additional time is actually necessary due to the 
    unavailability of parts beyond the control of the owner or operator; 
    and
        (iv) The owner or operator submits the request to the EPA Regional 
    Office at the addresses listed in Sec. 63.13 of subpart A of this part 
    no later than [date 30 days after publication of final rule in the 
    Federal Register]. The request shall include the information specified 
    in paragraphs (e)(4)(iv)(A) through (e)(4)(iv)(E) of this section. 
    Unless the EPA Regional Office objects to the request within 30 days 
    after receipt, the request shall be deemed approved.
        (A) The name and address of the owner or operator and the address 
    of the existing source if it differs from the address of the owner or 
    operator;
        (B) The name, address, and telephone number of a contact person for 
    further information;
        (C) An identification of the chemical manufacturing process unit, 
    and of the specific equipment for which additional compliance time is 
    required;
        (D) The reason compliance can not reasonably be achieved by April 
    24, 1995; and
        (E) The date by which the owner or operator expects to achieve 
    compliance.
        (5) If compliance with the compressor provisions of Sec. 63.164 of 
    subpart H of this part can not reasonably be achieved without a process 
    unit shutdown, as defined in Sec. 63.161 of subpart H, the owner or 
    operator shall achieve compliance no later than April 22, 1996. The 
    owner or operator who elects to use this provision shall comply with 
    the requirements of Sec. 63.192(g) of this subpart.
        (6) Existing sources shall be in compliance with the provisions of 
    Sec. 63.170 of subpart H no later than April 22, 1997.
    * * * * *
        8. Section 63.192 is amended by adding a new paragraph (l) to read 
    as follows:
    * * * * *
    
    
    Sec. 63.192  Standard.
    
    * * * * *
        (l) An owner or operator who elects to use the compliance extension 
    provisions of Sec. 63.190(e)(5) shall submit the compliance extension 
    request to the EPA Regional Office no later than [date 30 days after 
    publication of final rule in the Federal Register]. The request shall 
    contain the information specified in Sec. 63.190(e)(4)(iv) and the 
    reason compliance can not reasonably be achieved without a process unit 
    shutdown, as defined in Sec. 63.161 of subpart H.
    
    [FR Doc. 94-26817 Filed 10-27-94; 8:45 am]
    BILLING CODE 6560-50-P
    
    
    

Document Information

Published:
10/28/1994
Department:
Environmental Protection Agency
Entry Type:
Uncategorized Document
Action:
Proposed compliance extension and proposed changes to subpart H.
Document Number:
94-26817
Dates:
Comments. Comments must be received on or before November 28, 1994, unless a hearing is requested by November 7, 1994. If a hearing is requested, written comments must be received by December 12, 1994.
Pages:
0-0 (None pages)
Docket Numbers:
Federal Register: October 28, 1994, AD-FRL-5099-3
RINs:
2060-AC19
CFR: (11)
40 CFR 63.162(b)
40 CFR 63.103(g)
40 CFR 63.100(k)(7)
40 CFR 63.100(k)(5)
40 CFR 63.100
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