94-17005. Conditional Approval and Promulgation of Air Quality Implementation Plans; Colorado; Enhanced Motor Vehicle Inspection and Maintenance Program  

  • [Federal Register Volume 59, Number 134 (Thursday, July 14, 1994)]
    [Unknown Section]
    [Page 0]
    From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
    [FR Doc No: 94-17005]
    
    
    [[Page Unknown]]
    
    [Federal Register: July 14, 1994]
    
    
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    ENVIRONMENTAL PROTECTION AGENCY
    
    40 CFR Part 52
    
    [CO37-1-6290; FRL-5012-5]
    
     
    
    Conditional Approval and Promulgation of Air Quality 
    Implementation Plans; Colorado; Enhanced Motor Vehicle Inspection and 
    Maintenance Program
    
    AGENCY: Environmental Protection Agency (EPA).
    
    ACTION: Proposed rule.
    
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    SUMMARY: EPA is proposing to conditionally approve a vehicle inspection 
    and maintenance State Implementation Plan (SIP) revision based on the 
    Governor's June 24, 1994 commitment to adopt final regulations for 
    dealership self-testing within one year of the conditional approval. If 
    this commitment is not met, the conditional approval will automatically 
    convert to a disapproval. This revision establishes and requires the 
    implementation of an enhanced motor vehicle inspection and maintenance 
    (I/M) program in the Denver and Boulder urbanized areas, including all 
    or part of the Colorado counties of Adams, Arapahoe, Boulder, Denver 
    County, Douglas, Jefferson. This action is being taken under Section 
    110 of the Clean Air Act.
    
    DATES: Comments must be received on or before August 15, 1994.
    
    ADDRESSES: Comments may be mailed to Mr. Douglas M. Skie at U.S. EPA 
    Region 8, (8ART-AP), 999 18th Street, Suite 500, Denver, Colorado 
    80202-2466. Copies of the documents relevant to this action are 
    available for public inspection during normal business hours at the 
    above address. Interested persons wanting to examine these documents 
    should make an appointment with the appropriate office at least 24 
    hours before the visiting day.
    
    FOR FURTHER INFORMATION CONTACT:Mr. Scott P. Lee, at (303) 293-1887.
    
    SUPPLEMENTARY INFORMATION:
    
    I. Introduction
    
        Motor vehicles are significant contributors of volatile organic 
    compounds (VOC), carbon monoxide (CO) and nitrogen oxide (NOX) 
    emissions. An important control measure to reduce these emissions is 
    the implementation of a motor vehicle inspection and maintenance (I/M) 
    program. Despite being subject to the most rigorous vehicle pollution 
    control program in the world, cars and trucks still create about half 
    of the ozone air pollution and nearly all of the carbon monoxide air 
    pollution in United States cities, as well as toxic contaminants. Of 
    all highway vehicles, passenger cars and light trucks emit most of the 
    vehicle-related carbon monoxide and ozone-forming hydrocarbons. They 
    also emit substantial amounts of nitrogen oxides and air toxics. 
    Although the U.S. has made progress in reducing emissions of these 
    pollutants, total fleet emissions remain high. This is because the 
    number of vehicle miles travelled on U.S. roads has doubled in the last 
    20 years to 2 trillion miles per year, offsetting much of the 
    technological progress in vehicle emission control over the same two 
    decades. Projections indicate that the steady growth in vehicle travel 
    will continue. Ongoing efforts to reduce emissions from individual 
    vehicles will be necessary to achieve our air quality goals.
        Today's cars are dependent on properly functioning emission control 
    systems, to keep pollution levels low. Effective I/M programs can 
    identify problem cars and ensure that cars are properly maintained. I/M 
    produces emission reduction results soon after the program is put in 
    place.
        The Clean Air Act as amended in 1990 (the Act) requires that most 
    polluted cities adopt either ``basic'' or ``enhanced'' I/M programs, 
    depending on the severity of the problem and the population of the 
    area. The moderate ozone nonattainment areas, plus marginal ozone areas 
    with existing I/M programs, fall under the ``basic'' I/M requirements. 
    Enhanced programs are required in serious, severe, and extreme ozone 
    nonattainment areas with urbanized populations of 200,000 or more; CO 
    areas that exceed a 12.7 parts per million (ppm) design value\1\ with 
    urbanized populations of 200,000 or more; and all metropolitan 
    statistical areas with a population of 100,000 or more in the Northeast 
    Ozone Transport Region.
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        \1\The air quality design value is estimated using EPA guidance. 
    Generally, the fourth highest monitored value with 3 complete years 
    of data is selected as the ozone design value because the standard 
    allows one exceedance for each year. The highest of the second high 
    monitored values with 2 complete years of data is selected as the 
    carbon monoxide design value.
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        ``Basic'' and ``enhanced'' I/M programs both achieve their 
    objective by identifying vehicles that have high emissions as a result 
    of one or more malfunctions, and requiring them to be repaired. An 
    ``enhanced'' program employs inspection methods which are better at 
    finding high emitting vehicles, and has additional features to better 
    assure that all vehicles are tested properly and effectively repaired.
        The Act requires states to make changes to improve existing I/M 
    programs or to implement new ones for certain nonattainment areas. 
    Section 182(a)(2)(B) of the Act directed EPA to publish updated 
    guidance for state I/M programs, taking into consideration findings of 
    the Administrator's audits and investigations of these programs. The 
    Act further requires each area required to have an I/M program to 
    incorporate this guidance into the SIP. Based on these requirements, 
    EPA promulgated I/M regulations on November 5, 1992 (57 FR 52950, 
    codified at 40 Code of Federal Regulations (CFR) 51.350-51.373).
        Under sections 182(c)(3), 187(a)(6) and 187(b)(1) of the Act, any 
    area having a 1980 Bureau of Census-defined urbanized area population 
    of 200,000 or more and either: (1) designated as serious or worse ozone 
    nonattainment or (2) moderate or serious CO nonattainment area with 
    design value greater than 12.7 ppm, shall implement enhanced I/M in the 
    1990 Census-defined urbanized area. The Act also established the ozone 
    transport region (OTR) in the northeastern United States, which 
    includes the States of Maine, Vermont, New Hampshire, Massachusetts, 
    Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware 
    and Maryland and Northern Virginia and the District of Columbia. 
    Sections 182(c)(3) and 184(b)(1)(A) of the Act require the 
    implementation of enhanced I/M programs in all metropolitan statistical 
    areas (MSAs) located in the Ozone Transport Region which have a 
    population of 100,000 or more people.
        The Act requires basic I/M programs to be implemented in the 1990 
    Census-defined urbanized area of the following nonattainment areas: (1) 
    any area which is classified as moderate ozone nonattainment and is not 
    required to implement enhanced I/M or (2) any area outside the OTR that 
    is classified as serious or worse ozone nonattainment or moderate or 
    serious CO nonattainment with a design value greater than 12.7 ppm and 
    having a 1990 Census-defined urbanized area population of less than 
    200,000. Any areas classified as marginal ozone nonattainment or 
    moderate CO nonattainment with a design value of 12.7 ppm or less shall 
    continue operating existing programs that are part of an approved SIP 
    as of November 15, 1990 and shall update the program to meet the basic 
    I/M requirements set forth in 40 CFR Parts 51.350-373.
        The I/M regulation establishes minimum performance standards for 
    basic and enhanced I/M programs, as well as requirements for the 
    following: Network type and program evaluation; adequate tools and 
    resources; test frequency and convenience; vehicle coverage; test 
    procedures and standards; test equipment; quality control; waivers and 
    compliance via diagnostic inspection; motorist compliance enforcement; 
    motorist compliance enforcement program oversight; quality assurance; 
    enforcement against contractors, stations and inspectors; data 
    collection; data analysis and reporting; inspector training and 
    licensing or certification; public information and consumer protection; 
    improving repair effectiveness; compliance with recall notices; on-road 
    testing; SIP revisions; and implementation deadlines. The performance 
    standard for basic I/M programs remains the same as it has been since 
    initial I/M policy was established in 1978, pursuant to the 1977 
    amendments to the Clean Air Act. The performance standard for enhanced 
    I/M programs is based on a high-technology test, known as IM240, for 
    new technology vehicles (i.e., those with closed-loop control and, 
    especially, fuel injected engines), including a transient loaded 
    exhaust short test incorporating hydrocarbons (HC), CO and NOX 
    cutpoints, an evaporative system integrity (pressure) test and an 
    evaporative system performance (purge) test.
    
    II. Background
    
        On January 14, 1994, and on June 24, 1994, the State of Colorado 
    submitted its enhanced I/M SIP revision for the Denver and the Boulder 
    urbanized areas. Public hearings were held on November 12, 1993, and 
    December 16, 1993, for the January 14, 1994 SIP submittal, and are to 
    be held on September 15, 1994, for the June 24, 1994, SIP submittal, as 
    detailed in the Governor's June 24, 1994 letter.
        The January 14, 1994, submittal included authorizing legislation 
    (HB1340 adopted by the House and Senate and signed by the Governor); 
    Colorado Air Quality Control Commission (AQCC) Regulation Number 11; 
    Motor Vehicle Emissions Inspection Program, adopted and effective as an 
    emergency rule December 16, 1993, and the SIP narrative with appendices 
    entitled, ``State of Colorado Motor Vehicle Emissions Inspection and 
    Maintenance State Implementation Plan'', adopted by the AQCC on 
    November 12, 1993, and again on December 16, 1993, with no substantive 
    changes. EPA reviewed the January 14, 1994, submittal and identified 
    aspects which the State would need to address prior to EPA approval. 
    EPA's primary concerns concentrated on: the need for the State to 
    submit a final binding regulation to replace the since-lapsed, December 
    16, 1993, emergency rule; limiting dealers self-testing to non-
    consecutive test-cycles; and modeling reflecting the compliance 
    commitments in the SIP narrative.
        Governor Romer's June 24, 1994, submittal included a binding 
    regulation adopted by the State on March 17, 1994, changes to the SIP 
    narrative addressing EPA's comments, and proposed revisions to 
    Regulation Number 11 limiting dealer self-testing, as adopted for 
    public hearing on June 16, 1994. The Governor's submittal includes the 
    State's anticipated schedule for the adoption of the proposed revisions 
    to Regulation Number 11. EPA has interpreted the submittal of this 
    anticipated schedule to represent a commitment by the State to adopt a 
    regulation addressing dealer self-testing within one year of 
    conditional approval of Colorado's I/M SIP.
        The I/M SIP submittals provide for the implementation of an 
    enhanced I/M program in the Denver-Boulder carbon monoxide 
    nonattainment area beginning on January 1, 1995 in Adams, Arapahoe, 
    Denver, Douglas, and Jefferson Counties. Boulder County will implement 
    an enhanced I/M program beginning July 1, 1995. In these areas, 
    Colorado will be implementing a test-only network which requires pre-
    1982 vehicles to be tested annually, and post-1981 vehicles to be 
    tested on a biennial schedule. Colorado's program meets the 
    requirements of EPA's performance standard and other requirements 
    contained in the Federal I/M rule in the applicable urbanized areas. 
    Testing will be overseen by Colorado Departments of Health and Revenue. 
    Other aspects of the Colorado enhanced I/M program include: IM240 
    testing of 1982 and later light-duty vehicles and trucks and 2-speed 
    idle/idle testing of pre-1982 vehicles and all heavy duty trucks; 
    evaporative emission testing for 1975 and later model year vehicles; a 
    test fee to ensure the State has adequate resources to implement the 
    program; enforcement by registration denial and vehicle inspection 
    stickers; a repair effectiveness program; contractual requirements for 
    testing convenience; quality assurance; data collection; waiver 
    provisions; reporting and record keeping requirements; test equipment 
    and test procedure specifications; public information and consumer 
    protection; inspector training and certification; penalties for 
    inspector incompetence; and on-road testing program; and emission 
    recall enforcement. An analysis of how the Colorado enhanced I/M 
    program meets the Federal SIP requirements by section of the Federal I/
    M rule is provided below. Parties desiring additional details on the 
    Federal I/M regulation are referred to the November 5, 1992 Federal 
    Register notice (57 FR 52950) or 40 CFR Parts 51.350-51.373.
    
    III. This Action
    
        Section 110(k) of the Act sets out provisions governing EPA's 
    review of SIP submittals (see 57 FR 13565-13566). Section 110(k)(4) of 
    the Act authorizes EPA to approve plan revisions based on a commitment 
    of the State to adopt specific enforceable measures by a date certain, 
    but not later than one year after the date of conditional approval of 
    the plan revision. Section 110(k)(4) further provides that any such 
    conditional approval shall be treated as a disapproval if the State 
    fails to comply with the commitment.
        EPA proposes conditional approval of Colorado's enhanced I/M SIP 
    based on the Governor's June 24, 1994 commitment to adopt final 
    regulations limiting dealership self-testing to one inspection cycle 
    within one year of the date of conditional approval. If this commitment 
    is not met, the conditional approval will automatically convert to a 
    disapproval.
    
    IV. EPA's Analysis of the Colorado Enhanced I/M Program
    
        As discussed above, sections 182(c)(3), 184(b)(1)(A), 187(a)(6) and 
    187(b)(1) of the Act require that states adopt and implement 
    regulations for an enhanced I/M program in certain areas. The following 
    sections of this notice summarize the requirements of the Federal I/M 
    regulations and address whether the elements of the State's submittal 
    comply with the Federal rule.
    
    Applicability--40 CFR 51.350
    
        Under the requirements of the Clean Air Act, an enhanced I/M 
    program is required in the Denver urbanized area, which includes the 
    following five counties: Adams, Arapahoe, Denver, Douglas and 
    Jefferson. The State has included the implementation of an enhanced I/M 
    program in Boulder County to ensure that high emitting vehicles 
    commuting from Boulder County to the Denver metropolitan area are 
    identified and repaired. Boulder County is part of the Denver-Boulder 
    carbon monoxide nonattainment area, but is not required to implement 
    enhanced I/M because it contains no urbanized area with a population 
    greater than 200,000.
        The State's submittal contains the legal authority and regulations 
    establishing the program boundaries for enhanced I/M. The included 
    population is adequate to meet the urbanized area coverage requirement 
    under section 51.350 of the I/M rule and is approvable.
        The Federal I/M regulation requires that the State program must 
    stay effective until it is no longer necessary. The attainment date for 
    the Denver-Boulder carbon monoxide nonattainment area is December 31, 
    1995. However, the AQCC adopted a CO SIP on June 16, 1994, to be 
    submitted to EPA, that includes a request to reclassify the Denver-
    Boulder CO nonattainment area to serious, extending its attainment date 
    to December 31, 2000. In either case, Colorado's legislation provides 
    authority for the I/M program through December 31, 2001, which extends 
    beyond the ``moderate'' or ``serious'' CO attainment deadlines set by 
    the Act. EPA believes this legal authority is approvable.
    
    Enhanced I/M Performance Standard--40 CFR 51.351
    
        The enhanced I/M program must be designed and implemented to meet 
    or exceed a minimum performance standard, which is expressed as 
    emission levels in area-wide average grams per mile (gpm) for certain 
    pollutants. The performance standard shall be established using local 
    characteristics, such as vehicle mix and local fuel parameters, and the 
    following model enhanced I/M program parameters: network type, start 
    date, test frequency, model year coverage, vehicle type coverage, 
    exhaust emission test type, emission standards, emission control device 
    checks, evaporative system function checks, stringency, waiver rate, 
    compliance rate and evaluation date. The emission levels achieved by 
    the State's program design shall be calculated using the most current 
    version, at the time of submittal, of the EPA mobile source emission 
    factor model. At the time of the Colorado submittal, the most current 
    version was MOBILE5a. Areas shall meet the performance standard for the 
    pollutants which cause them to be subject to enhanced I/M requirements. 
    The Colorado submittal must meet the performance standard for CO only.
        The Colorado submittal includes the following program design 
    parameters:
    
    Network type--Test-only
    Test frequency--1982 and newer vehicles; biennial; 1981 and older 
    vehicles: annual
    Model year coverage--all excluding newest four model years
    Vehicle type coverage--all light-duty and heavy-duty gasoline 
    powered vehicles
    Exhaust emission test type--1982 and newer light-duty vehicles: 
    IM240; 1981 and older light-duty vehicles: 2-speed idle all heavy-
    duty vehicles: idle-test
    Emission standards--20 grams per mile CO
    Emission control device checks--oxygen sensor, air pump, catalyst, 
    inlet restrictor
    Evaporative system pressure check--1975 and newer
    Evaporative system purge check--1982 and newer
    Stringency (pre-1981 failure rate)--20%
    Waiver rate (pre-1981/1981 and newer)--3% & 3%
    Compliance rate--96.4%
    Evaluation date(s)--January 1, 2001
    
        The Colorado program design meets the enhanced I/M performance 
    standard. The modeling analysis reflects no benefit from dealer and 
    fleet self-testing and the four model year exemption. If more emissions 
    are lost from the dealer self-testing provisions than expected, other 
    aspects of the program will need to be strengthened to ensure that the 
    enhanced performance standard target is still being met.
    
    Network Type and Program Evaluation--40 CFR 51.353
    
        Enhanced I/M programs shall be operated in a centralized test-only 
    format, unless the State can demonstrate that a decentralized program 
    is equally effective in achieving the enhanced I/M performance 
    standard. The enhanced program shall include an ongoing evaluation to 
    quantify the emission reduction benefits of the program and to 
    determine if the program is meeting the requirements of the Act and the 
    Federal I/M regulation. The SIP shall include details on the program 
    evaluation and shall include a schedule for submittal of biennial 
    evaluation reports, data from a state-monitored or state-administered 
    mass emission test of at least 0.1% of the vehicles subject to 
    inspection each year, description of the sampling methodology, the data 
    collection and analysis system and the legal authority enabling the 
    evaluation program.
        The State legislative authority and the State I/M regulations 
    provide for a test-only network. Colorado's enhanced I/M network 
    consists of centralized contractor-run test-only facilities for 1982 
    and newer vehicles, and a decentralized test-only network of 
    independently owned facilities serving 1981 and older vehicles. 
    Legislation prohibits owners, operators, and employees of inspection 
    facilities from engaging in motor vehicle repair, service, parts sales, 
    or sale or lease of motor vehicles and from referring vehicle owners to 
    particular providers of motor vehicle repair services. This 
    decentralized test-only network design is acceptable under the 
    ``presumptive equivalency'' provisions of the I/M rule, and meets EPA's 
    performance standard. The submittal includes provisions for and a 
    commitment to an ongoing program evaluation which will include the 
    random selection of at least 0.1% of vehicles for IM240 testing 
    throughout the year under carefully controlled conditions, overseen by 
    the State, as well as a commitment to submit the analysis and reports 
    required by the EPA rule.
    
    Adequate Tools and Resources--40 CFR 51.354
    
        The Federal regulation requires that states demonstrate that 
    adequate funding of the program exists. A portion of the test fee or 
    separately assessed per vehicle fee shall be collected, placed in a 
    dedicated fund and used to finance the program. Alternative funding 
    approaches are acceptable if demonstrated that the funding can be 
    maintained. Reliance on funding from the state or local general fund is 
    not acceptable unless doing otherwise would be a violation of the 
    state's constitution. The SIP shall include a detailed budget plan 
    which describes the source of funds for personnel, program 
    administration, program enforcement, and purchase of equipment. The SIP 
    shall also detail the number of personnel dedicated to the quality 
    assurance program, data analysis, program administration, enforcement, 
    public education and assistance and other necessary functions.
        The Colorado enhanced I/M program will be funded by fees assessed 
    at the time of vehicle registration: a $1.50 fee per vehicle in the 
    program area, which is dedicated funding for the enhanced I/M program; 
    and an additional 50 cent fee per vehicle statewide, which may be used 
    for the enhanced I/M program. Additional funding for the enhanced I/M 
    program is generated from a 25 cent charge per emissions sticker 
    supplied to inspection stations. Many of the resource requirements 
    including remote sensing, quality assurance equipment, and technical 
    and consumer assistance are to be supplied by the State's enhanced I/M 
    contractor. The program includes 36 full-time equivalent (FTE) staff 
    and 4 additional contractor staff for consumer and technician 
    assistance. Covert audit vehicles are to be provided by the State 
    Patrol. EPA believes that the State submittal meets the adequate tools 
    and resources requirements set forth in the Federal I/M regulations.
    
    Test Frequency and Convenience--40 CFR 51.355
    
        The enhanced I/M performance standard assumes an annual test 
    frequency; however, other schedules may be approved if the performance 
    standard is achieved. The SIP shall describe the test year selection 
    scheme, how the test frequency is integrated into the enforcement 
    process and shall include the legal authority, regulations or contract 
    provisions to implement and enforce the test frequency. The program 
    shall be designed to provide convenient service to the motorist by 
    ensuring short wait times, short driving distances and regular testing 
    hours.
        The Colorado enhanced I/M regulation provides for a combination of 
    annual and biennial testing based on the model year of the subject 
    vehicle. Pre-1982 vehicles are required to be tested annually, while 
    post-1981 vehicles are required to be inspected on a biennial schedule. 
    The Colorado legislation and the State I/M regulation provide the legal 
    authority to implement and enforce the test frequency as outlined. 
    Regulation 11 specifies the assignment of test dates in various 
    scenarios that might otherwise lead to vehicles getting off schedule. 
    The Colorado Request for Proposal, which is included in the SIP, 
    specifies convenience factors including a maximum average wait time of 
    15 minutes and an absolute maximum of 40 minutes, with monitoring and 
    penalties. The Colorado program provides sufficient evidence that 
    convenient services will be provided to the motorist. The Colorado 
    submittal meets the test frequency and convenience requirements of the 
    Federal I/M regulations and is approvable.
    
    Vehicle Coverage--40 CFR 51.356
    
        The performance standard for enhanced I/M programs assumes coverage 
    of all 1968 and later model year light duty vehicles (LDV) and light 
    duty trucks (LDT) up to 8,500 pounds gross vehicle weight rating 
    (GVWR), and includes vehicles operating on all fuel types. Other levels 
    of coverage may be approved if the necessary emission reductions are 
    achieved. Fleet vehicles may be inspected outside of the normal 
    enhanced I/M program test facilities, if such alternatives are approved 
    by the program administration, but shall be subject to the same test 
    requirements using the same quality control standards as non-fleet 
    vehicles and shall be inspected in independent, test-only facilities, 
    according to the requirements of 40 CFR 51.353(a). Alternatively, fleet 
    vehicles may be exempted under Section 51.356 of the rule, which allows 
    for exemptions provided a demonstration is made that the performance 
    standard will be met. Vehicles which are operated on Federal 
    installations located within an enhanced I/M program area are to be 
    tested, regardless of whether the vehicles are registered in the state 
    or local enhanced I/M area.
        The Federal I/M regulation requires the SIP to include a 
    description of the number and types of vehicles to be covered by the 
    program and a description of any special exemptions including the 
    percentage and number of vehicles to be impacted.
        The Colorado I/M legislation and regulation provide legal authority 
    for the enforcement and implementation of a program that includes the 
    coverage of all gasoline-powered LDV, LDT, and HDV greater than four 
    model years old, which are registered or required to be registered in 
    the enhanced I/M program area.
        Colorado allows for fleet self-testing and claims no credit for 
    these vehicles in the demonstration of compliance with the performance 
    standard, i.e., for purposes of demonstrating compliance with the 
    enhanced I/M performance standard and other I/M rule requirements, 
    these fleet self-tested vehicles are considered exempt. These non-
    dealership fleet vehicles are required to be tested in the test-only 
    network upon change of ownership. Fleet owners may arrange to have 
    fleet vehicles tested in the test-only network if desired.
        Similarly, Colorado's I/M legislation allows dealer vehicles to be 
    tested by a non-independent third party (EPA considers this to be 
    dealer-self testing), but claims no credit for self-tested dealership 
    vehicles in the demonstration of compliance with the performance 
    standard. Dealers may arrange to have their vehicles tested in the 
    test-only network if desired. Because EPA's I/M Rule requires an 
    independent third party to conduct dealer testing, EPA is conditionally 
    approving Colorado's I/M SIP based the State's commitment to adopt 
    regulations to prohibit dealerships from testing vehicles two test-
    cycles in a row. This will help prevent creative noncompliers from 
    consistently escaping a test-only independent test. EPA has determined 
    that this is sufficient to meet the goal of requiring independent third 
    parties to conduct dealer testing. Changes to Colorado's I/M 
    regulations were proposed for hearing, but have not yet been fully and 
    finally adopted. The State has submitted to EPA a schedule for adoption 
    of these regulations. EPA has interpreted this submission as a 
    commitment to adopt the necessary changes within one year of 
    conditional approval. Without this regulation change, or an alternative 
    that addresses the economic incentives towards improper testing, such 
    as a contract with protective mechanisms, the dealership self-testing 
    provisions will not be approvable and final action to conditionally 
    approve the SIP will convert to disapproval following the course of 
    action described in the proposed action portion of this notice. For 
    further discussion of the fleet and dealership self-testing issue, see 
    ``Emission Credits for Dealer and Fleet Self-Testing in Enhanced I/M 
    Areas'', Memorandum from Dick Wilson to the Air Division Directors, 
    dated March 29, 1993, available in the docket.
        Additionally, the State regulation provides a program exemption for 
    farm vehicles and vehicles with two-stroke engines. These exemptions 
    impact 0.79% of the subject fleet. The Colorado program meets the 
    enhanced I/M performance standard, reflecting no emission reduction 
    benefits from the exempted vehicles.
    
    Test Procedures and Standards--40 CFR 51.357
    
        Written test procedures and pass/fail standards shall be 
    established and followed for each model year and vehicle type included 
    in the program. Test procedures and standards are detailed in 40 CFR 
    51.357 and in the EPA document entitled ``High-Tech I/M Test 
    Procedures, Emission Standards, Quality Control Requirements, and 
    Equipment Specifications'', EPA-AA-EPSD-IM-93-1, finalized in April of 
    1994.
        The State I/M regulation includes a description of the test 
    procedure for transient (IM240), two speed idle, idle, evaporative 
    system purge, evaporative system pressure testing, and for a visual 
    emission control device inspection. These test procedures reference 
    EPA-approved test procedures and guidance and are approvable. The State 
    enhanced I/M regulation establishes HC, CO, CO2 and NOX 
    maximum allowable exhaust standards for all test procedures for each 
    applicable model year and vehicle type. The State commits to 
    implementing EPA recommended exhaust standards at least on test-cycle 
    prior to the evaluation year, no later than January 1, 1999. The State 
    I/M regulation establishes evaporative purge and/or pressure test 
    standards. EPA believes the purge and pressure standards are lenient, 
    though recognizing that purge and pressure testing are not required as 
    an element of the enhanced I/M program for the State of Colorado. Purge 
    and pressure testing address evaporative hydrocarbon emission, while 
    Colorado is only required to meet the carbon monoxide performance 
    standard. The emission reductions for the purge and pressure test will 
    be evaluated at some future date if the State chooses to include these 
    measures as part of an ozone redesignation/maintenance plan.
    
    Test Equipment--40 CFR 51.358
    
        Computerized test systems are required for performing any 
    measurement on subject vehicles. The Federal I/M regulation requires 
    that the State SIP submittal include written technical specifications 
    for all test equipment used in the program. The specifications shall 
    describe the emission analysis process, the necessary test equipment, 
    the required features, and written acceptance testing criteria and 
    procedures.
        The State regulation and Request for Proposal (contained in the SIP 
    submittal appendices) contain the written technical specifications for 
    test equipment to be used in the program. The specifications require 
    the use of computerized test systems. The specifications also include 
    performance features and functional characteristics of the computerized 
    test systems which meet the Federal I/M regulations and are approvable.
    
    Quality Control--40 CFR 51.359
    
        Pursuant to the Federal I/M Rule, quality control measures shall 
    insure that emission measurement equipment is calibrated and maintained 
    properly, and that inspection, calibration records, and control charts 
    are accurately created, recorded and maintained.
        The appendices of the State submittal contain procedures which 
    describe and establish quality control measures for the emission 
    measurement equipment, record keeping requirements and measures to 
    maintain the security of all documents used to establish compliance 
    with the inspection requirements. This portion of the State submittal 
    complies with the quality control requirements set forth in the Federal 
    I/M regulation and is approvable.
    
    Waivers and Compliance Via Diagnostic Inspection--40 CFR 51.360
    
        The Federal I/M regulation allows for the issuance of a waiver, 
    which is a form of compliance with the program requirements that allows 
    a motorist to comply without meeting the applicable test standards. For 
    enhanced I/M programs, an expenditure of at least $450 in repairs, 
    adjusted annually to reflect the change in the Consumer Price Index 
    (CPI), as compared to the CPI for 1989, is required in order to qualify 
    for a waiver. Waivers can only be issued after a vehicle has failed a 
    retest performed after all qualifying repairs have been made. Any 
    available warranty coverage must be used to obtain repairs before 
    expenditures can be counted toward the cost limit. Tampering related 
    repairs shall not be applied toward the cost limit. Repairs must be 
    appropriate to the cause of the test failure. Repairs for 1980 and 
    newer model year vehicles must be performed by a recognized repair 
    technician to be applicable towards the minimum repair expenditure. The 
    Federal regulation allows for compliance via a diagnostic inspection in 
    special circumstances. The SIP must set a maximum waiver rate and must 
    describe corrective action that would be taken if the waiver rate 
    exceeds that committed to in the SIP.
        Colorado's legislation provides the necessary authority to issue 
    waivers, set and adjust cost limits, and administer and enforce the 
    waiver system. The Colorado legislation sets a $450 cost minimum and 
    allows for an annual adjustment of the cost limit to reflect the change 
    in the CPI, as compared to the CPI in 1989 in the enhanced I/M program. 
    The regulation includes provisions which address waiver criteria and 
    procedures, including cost limits, tampering and warranty related 
    repairs, quality control and administration. Fleet and dealer-owned 
    vehicles are not eligible to comply with the I/M requirements via 
    certificates of waiver. These vehicles must be repaired to comply with 
    the test requirements independent of cost, or registration will be 
    denied. These provisions meet the Federal I/M regulations requirements 
    and are approvable. The State regulation allows for compliance via 
    diagnostic inspection and the policies and procedures outlined in the 
    submittal meet Federal I/M regulations and are approvable. The State 
    has set a maximum waiver rate of 3% for both pre-1981 and for 1981 and 
    later vehicles and has described corrective actions to be taken if the 
    waiver rate exceeds 3%. This waiver rate has been used in the 
    performance standard modeling demonstration and is approvable. Thus, 
    EPA has determined that the waiver provisions of the SIP are 
    approvable.
    
    Motorist Compliance Enforcement--40 CFR 51.361
    
        The Federal regulation requires that motorist compliance shall be 
    ensured through the denial of motor vehicle registration in enhanced I/
    M programs, unless an exception for use of an existing alternative is 
    approved. The I/M rule requires the use of mandatory meaningful fines 
    to deter motorist compliance and requires States to undertake 
    activities limiting the loopholes available to motorists. The SIP 
    submittal is to include a description of the enforcement process, legal 
    authority to enforce compliance, and a commitment to a compliance rate 
    to be used for modeling purposes and to be maintained in practice.
        Colorado's legislative authority and I/M regulation provide the 
    legal authority to implement registration denial and sticker-based 
    enforcement. The Colorado SIP commits to a compliance rate of 96.4%, as 
    used in the performance standard modeling demonstration. Penalties for 
    failure to comply with the program are described in the authorizing 
    legislation and the Colorado Revised Statutes. Fines of up to $1,000 
    can be imposed in cases where motorists are involved in fraudulently 
    obtaining certificates of compliance, stickers, or registrations. 
    Failure to register a vehicle also results in significant penalties, as 
    described in the Colorado Revised Statutes regarding registration 
    penalties. The State of Colorado has met EPA's requirements for the 
    imposition of mandatory fines. The State commits to corrective action 
    if a compliance rate of 96.4% is not maintained in practice.
    
    Motorist Compliance Enforcement Program Oversight--40 CFR 51.362
    
        The Federal I/M regulation requires that the enforcement program 
    shall be audited regularly and shall follow effective program 
    management practices, including adjustments to improve operation when 
    necessary. The SIP shall include quality control and quality assurance 
    procedures to be used to insure the effective overall performance of 
    the enforcement system. An information management system shall be 
    established which will characterize, evaluate, and enforce the program.
        The Colorado I/M legislation, regulation, and SIP narrative and 
    appendices describe how the enforcement program oversight is quality 
    controlled and quality assured and includes the establishment of an 
    information management system. The enforcement program oversight 
    activities included in the submittal meet the Federal I/M regulation 
    requirements and are approvable.
    
    Quality Assurance--40 CFR 51.363
    
        An ongoing quality assurance program shall be implemented to 
    discover, correct and prevent fraud, waste, and abuse in the program. 
    The program shall include covert and overt performance audits of the 
    inspectors, audits of station and inspector records, equipment audits, 
    and formal training of all state I/M enforcement officials and 
    auditors. A description of the quality assurance program, which 
    includes written procedure manuals on the above discussed items, must 
    be submitted as part of the SIP.
        The Colorado legislation, regulation, and SIP narrative and 
    appendices include a quality assurance program which describe details 
    and procedures for implementing inspector records audits, and equipment 
    audits, as well as providing formal training to all state enforcement 
    officials. Performance audits of inspectors will consist of both covert 
    and overt audits. These procedures meet the Federal I/M regulation 
    requirements and are approvable.
    
    Enforcement Against Contractors, Stations and Inspectors--40 CFR 51.364
    
        Enforcement against licensed stations or contractors, and 
    inspectors shall include swift, sure, effective, and consistent 
    penalties for violation of program requirements. The Federal I/M 
    regulation requires the establishment of minimum penalties for 
    violations of program rules and procedures which can be imposed against 
    stations, contractors and inspectors. The legal authority for 
    establishing and imposing penalties, civil fines, license suspensions 
    and revocations must be included in the SIP. State quality assurance 
    officials shall have the authority to temporarily suspend station and/
    or inspector licenses immediately upon finding a violation that 
    directly affects emission reduction benefits. An official opinion 
    explaining state constitutional impediments to immediate suspension 
    authority must be included in the submittal. The SIP shall describe the 
    administrative and judicial procedures and responsibilities relevant to 
    the enforcement process, including which agencies, courts and 
    jurisdictions are involved, who will prosecute and adjudicate cases and 
    the resources and sources of those resources which will support this 
    function.
        The Colorado submittal includes the legal authority to establish 
    and impose penalties against stations, contractors and inspectors. The 
    I/M SIP and regulations include penalty provisions for stations, 
    contractors, and inspectors. These penalty schedules meet the Federal 
    I/M regulation requirements and are approvable. The State I/M 
    regulation gives the state auditor the authority to temporarily suspend 
    station and inspector licenses or certificates immediately upon finding 
    a violation. The submittal includes a description of administrative and 
    judicial procedures relevant to the enforcement process which meet 
    Federal I/M regulations and are approvable.
    
    Data Collection--40 CFR 51.365
    
        Accurate data collection is essential to the management, evaluation 
    and enforcement of an enhanced I/M program. The Federal I/M regulation 
    requires data to be gathered on each individual test conducted and on 
    the results of the quality control checks of test equipment required 
    under 40 CFR 51.359.
        The State regulation requires the collection of data on each 
    individual test conducted and describes the type of data to be 
    collected. The type of test data collected meets the Federal I/M 
    regulation requirements and is approvable. The appendices to the I/M 
    SIP submittal contain a procedure manual that details the gathering and 
    reporting requirements of the State and the State's contractor required 
    under 40 CFR 51.359 and is approvable.
    
    Data Analysis and Reporting--40 CFR 51.366
    
        Data analysis and reporting are required to allow for monitoring 
    and evaluation of the program by the State and EPA. The Federal I/M 
    regulation requires annual reports to be submitted to EPA which provide 
    information and statistics and summarize activities performed for each 
    of the following programs: testing, quality assurance, quality control 
    and enforcement. These reports are to be submitted by July and shall 
    provide statistics for the period of January to December of the 
    previous year. A biennial report shall be submitted to EPA which 
    addresses changes in program design, regulations, legal authority, 
    program procedures and any weaknesses in the program found during the 
    two year period and how these problems will be or were corrected.
        The State enhanced I/M legislation and regulation provide for the 
    analysis and reporting of data for the testing program, quality 
    assurance program, quality control program, and the enforcement 
    program. The State will submit annual reports on the I/M programs to 
    EPA by July of the subsequent year. Additionally, the State will submit 
    a biennial report detailing changes to and deficiencies in the State's 
    I/M program. The appendices to the I/M SIP submittal contain procedure 
    manuals that detail the gathering, analysis, and reporting requirements 
    of the State and the State's contractor. The type of data to be 
    gathered, analyzed, and reported to EPA meets the Federal I/M 
    regulation requirements and is approvable.
    
    Inspector Training and Licensing or Certification--40 CFR 51.376
    
        The Federal I/M regulation requires all inspectors to be formally 
    trained and licensed or certified to perform inspections.
        The State I/M regulation requires all inspectors to receive formal 
    training, and to be certified by the Colorado Department of Revenue. 
    The State submittal includes a description of and the information 
    covered in the training program, a description of the written and 
    hands-on tests and a description of the certification process. The SIP 
    meets the Federal I/M regulation requirements for inspector training 
    and certification and is approvable.
    
    Public Information and Consumer Protection--40 CFR 51.368
    
        The Federal I/M regulation requires the SIP to include public 
    information and consumer protection programs. The State submittal 
    includes contract provisions for a public information program which 
    educates the public on enhanced I/M, State and Federal regulations, air 
    quality and the role of motor vehicles in the air pollution problem, 
    and other items as described in the Federal rule. The consumer 
    protection program includes provisions which allow for vehicle owners 
    to challenge the results of vehicle testing through the use of State-
    run referee stations, and protection of whistle blowers. In addition, 
    the State provides assistance to motorists in obtaining warranty-
    covered repairs. The public information and consumer protection 
    programs contained in the SIP submittal meet the Federal regulations 
    and are approvable.
    
    Improving Repair Effectiveness--40 CFR 51.369
    
        Effective repairs are the key to achieving program goals. The 
    Federal regulation requires states to take steps to ensure that the 
    capability exists in the repair industry to repair vehicles. The SIP 
    must include a description of the technical assistance program to be 
    implemented, a description of the procedures and criteria to be used in 
    meeting the performance monitoring requirements required in the Federal 
    regulation and a description of the repair technician training 
    resources available in the community.
        The State I/M legislation and regulation require the implementation 
    of a technical assistance program, which includes a contractor-operated 
    hot line service to assist repair technicians, state technical 
    diagnostic centers, and a method of regularly informing the repair 
    facilities of changes in the program, training courses, and common 
    repair problems. The I/M contractor will be responsible initially for 
    development of an emission repair technician training program. The 
    State envisions that eventually this function will be taken over by 
    vocational and community educational facilities in the area. A repair 
    facility performance monitoring program will provide motorists whose 
    vehicles fail the test a summary of local repair facilities 
    performance. The State revised the January 14, 1994 SIP to commit to 
    providing performance statistics on all repair facilities that perform 
    I/M emission repairs upon request. The State will provide regular 
    feedback to each facility on their repair performance. The submittal of 
    a completed repair form at the time of retest is required. The repair 
    effectiveness improvement plan meets the criteria described in the 
    Federal regulation and is approvable.
    
    Compliance With Recall Notices--40 CFR 51.370
    
        The Federal regulation requires the states to establish methods to 
    ensure that vehicles that are subject to enhanced I/M and are included 
    in a emission related recall receive the required repairs prior to 
    completing the emission test or renewing the vehicle registration.
        The Colorado legislation provides the legal authority to require 
    owners to comply with emission related recalls before completing the 
    emission test and prior to being eligible for registration renewal. The 
    SIP appendices detail procedures to be used to incorporate national 
    database recall information into the State inspection/registration 
    database and quality control methods to insure recall repairs are 
    properly documented and tracked. The submittal includes a requirement 
    to submit an annual report to EPA which includes the information as 
    required in 40 CFR Part 51.370(c). The recall compliance program 
    contained in the SIP submittal meets the Federal requirements and is 
    approvable.
    
    On-Road Testing--40 CFR 51.371
    
        On-road testing is required in enhanced I/M areas. The use of 
    either remote sensing devices (RSD) or roadside pullovers including 
    tailpipe emission testing can be used to meet the Federal regulations. 
    The program must include on-road testing of 0.5% of the subject fleet 
    or 20,000 vehicles, whichever is less, in the nonattainment area or the 
    I/M program area. Motorists that have passed an emission test and are 
    found to be high emitters as a result of a on-road test shall be 
    required to pass an out-of-cycle test.
        Legal authority to implement the on-road testing program and 
    enforce off-cycle inspection and repair requirements is contained in 
    the State legislation. The SIP submittal requires on-road testing of 
    0.5% of the subject fleet per year in the Denver-Boulder nonattainment 
    area to be implemented by the contractor or its subcontractor. A 
    description of the program, which includes test limits and criteria, 
    and methods of collecting, analyzing and reporting the results of the 
    testing is detailed in the submittal. The on-road testing program 
    described in the SIP meets Federal requirements and is approvable.
    
    State Implementation Plan Submissions/Implementation Deadlines--40 CFR 
    51.372-373
    
        The Federal regulation requires enhanced I/M programs to be 
    implemented by January 1, 1995 except for: (1) Existing test-and-repair 
    programs which may test 30% of the subject fleet in the test-only 
    system during 1995 and test all subject vehicles in the test-only 
    system beginning January 1, 1996 (during the phase-in period, existing 
    requirements may continue to apply for the test-and-repair portion of 
    the program until it is phased out by January 1, 1996) or (2) Areas 
    starting new test-only programs and those with existing test-only 
    programs may phase in the new test procedures between January 1, 1995 
    and January 1, 1996; however, all other program requirements must be 
    fully implemented by January 1, 1995.
        The Colorado submittal included binding State I/M regulations, 
    legislative authority to implement the program, final specifications, a 
    final RFP, procedural documents, a modeling demonstration showing that 
    the program design meets the performance standard, evidence of adequate 
    funding and resources to implement the program, and a detailed 
    discussion on each of the required program design elements. The 
    submittal states that all inspectors and stations will be certified by 
    December 31, 1994, mandatory testing will begin on January 1, 1995, and 
    the start date for implementation of full-stringency cutpoints will be 
    no later than January 1, 1999. The submittal also includes a commitment 
    to include onboard diagnostic checks in the enhanced I/M program within 
    2 years after promulgation of onboard diagnostic check regulations for 
    I/M programs. The SIP meets the SIP submission and Implementation 
    deadline requirements set forth in the Federal I/M regulation.
    
    V. Request for Comments
    
        EPA is proposing to conditionally approve the Colorado SIP revision 
    for an enhanced I/M program, which was submitted on January 14, and 
    June 24, 1994. EPA is soliciting public comments on the issues 
    discussed in this notice or on other relevant matters. These comments 
    will be considered before taking final action. Interested parties may 
    participate in the Federal rulemaking procedure by submitting written 
    comments to the EPA Regional office listed in the ADDRESSES section of 
    this notice.
    
    VI. Proposed Action
    
        EPA is proposing to conditionally approve the Colorado I/M program. 
    Revisions to the SIP were submitted on January 14, 1994, and June 24, 
    1994. Conditional approval is based on the State's commitment to 
    satisfy conditions no later than one year from the date of final 
    conditional approval. If such conditions are not met by this date, the 
    conditional approval will automatically become a disapproval.
    
    VII. Executive Order 12866
    
        The OMB has exempted this rule from the requirements of Section 6 
    of Executive Order 12866.
    
    VIII. Regulatory Flexibility
    
        Under the Regulatory Flexibility Act, 5 U.S.C. 600 et seq., EPA 
    must prepare a regulatory flexibility analysis assessing the impact of 
    any proposed or final rule on small entities. 5 U.S.C. 603 and 604. 
    Alternatively, EPA may certify that the rule will not have a 
    significant economic impact on a substantial number of small entities. 
    Small entities include small businesses, small not-for-profit 
    enterprises, and government entities with jurisdiction over populations 
    of less than 50,000.
        SIP approvals under sections 110 and 301, and subchapter I, Part D 
    of the Act and conditional SIP approvals under section 110 and 
    subchapter I, Part D of the Act do not create any new requirements, but 
    simply approve requirements that the State is already imposing. 
    Therefore, because the Federal SIP-approval does not impose any new 
    requirements, I certify that it does not have a significant impact on 
    small entities affected. Moreover, due to the nature of the Act, 
    preparation of a regulatory flexibility analysis would constitute 
    Federal inquiry into the economic reasonableness of state action. The 
    Act forbids EPA to base its actions concerning SIPs on such grounds. 
    Union Electric Co. v. U.S. E.P.A., 427 U.S. 246, 256-66 (S. Ct. 1976); 
    42 U.S.C. 7410(a)(2).
        If the conditional approval is converted to a disapproval under 
    section 110(k)(4), the disapproval will not affect any existing state 
    requirements applicable to small entities. Federal disapproval of the 
    State submittal does not affect its state-enforceability. Moreover, 
    EPA's disapproval of the submittal does not impose a new Federal 
    requirement. Therefore, EPA certifies that such disapproval action 
    would not have a significant impact on a substantial number of small 
    entities because it would not remove existing state requirements nor 
    substitute a new Federal requirement.
    
    List of Subjects in 40 CFR Part 52
    
        Air pollution control, Environmental protection, Hydrocarbons, 
    Intergovernmental relations, Nitrogen dioxide, Particulate matter, 
    Reporting and recordkeeping requirements, Sulfur dioxide, Volatile 
    organic compounds.
    
        Authority: 42 U.S.C. 7401-7671q.
    
        Dated: June 30, 1994.
    Jack W. McGraw,
    Acting Regional Administrator.
    [FR Doc. 94-17005 Filed 7-13-94; 8:45 am]
    BILLING CODE 6560-50-M
    
    
    

Document Information

Published:
07/14/1994
Department:
Environmental Protection Agency
Entry Type:
Uncategorized Document
Action:
Proposed rule.
Document Number:
94-17005
Dates:
Comments must be received on or before August 15, 1994.
Pages:
0-0 (1 pages)
Docket Numbers:
Federal Register: July 14, 1994, CO37-1-6290, FRL-5012-5
CFR: (1)
40 CFR 52