FEDERAL REGISTER NOTICES PUBLISHED SINCE ENACTMENT OF THE CLEAN AIR ACT AMENDMENTS OF 1990 September 10, 1993 Federal Register Notice: Date Published: New Source Review Reform Subcommittee September 1, 1993 (Notice of Public Meeting) Approval of South Carolina's Petition to Relax September 1, 1993 the Federal Reid Vapor Pressure Volatility Standard for South Carolina from 7.8 psi to 9.0 psi (Direct Final Rule) Standards of Performance for New Stationary Sources August 31, 1993 Volatile Organic Compound (VOC) Emissions from the Synthetic Organic Chemical Manufacturing Industry (SOCMI) Reactor Processes (Notice of Final Rule) Petition to Remove the Compound Caprolactam from August 26, 1993 Hazardous Air Pollutant List (Notice of Receipt of Petition) CAA Contractor Access to Confidential Business August 25, 1993 Information (Notice) State of Alaska Petition for Exemption from Diesel August 23, 1993 Sulfur Requirement of Section 211(i) of the CAA as Amended (Notice of Proposed Decision) National Primary Ambient Air Quality Standards August 20, 1993 for Sulfur Oxides (Notice Extending Public Comment Period on the Sulfur Dioxide Criteria Document and Staff Paper Supplements) Clean Air Act Advisory Committee (Request for August 13, 1993 Candidates) Special Exemptions from Requirements Section 325(a) August 12, 1993 of the CAA, Territory of Guam (Notice of Final Rule) National Emission Standards for Hazardous Air August 12, 1993 Pollutants for Chromium Emissions from Industrial Process Cooling Towers (Notice of Proposed Rule) National Emission Standards for Hazardous Air August 11, 1993 Pollutants for Source Categories; General Provisions (Notice of Proposed Rule) Workshops Sponsored Committees of the Grand August 10, 1993 Canyon Visibility Transport Commission (Notice of Meetings) Final Agency Actions Regarding the Motor Vehicle August 10, 1993 Provisions of the CAA (Notice of Mobile Source Final Agency Actions) Clean Fuel Fleet Emission Standards, Conversions, August 9, 1993 and General Provisions and the Clean-Fuel Vehicle Standards for Light-Duty Vehicles and Light-Duty Trucks (Proposed Rules; Extension of the Comment Period) Standards of Performance for New Stationary July 29, 1993 Sources: Calciners and Dryers in Mineral Industries; Amendment (Notice of Correction) Protection of Stratospheric Ozone (Section 114 July 27, 1993 Information Request to Establish Baselines for Newly Listed Ozone Depleting Chemicals and to Meet UNEP Reporting Requirements) Policy Regarding the Sale of 1985 and Subsequent July 22, 1993 Model Year California Vehicles (Notice of Public Workshop and Request for Comments) Protection of Stratospheric Ozone (Request for July 20, 1993 Comments on Recordkeeping and Reporting Requirements of Newly Listed Ozone-Depleting Substances) CAA Contractor Access to Confidential Business July 20, 1993 Information (Notice) Requirements for Preparation, Adoption, and July 20, 1993 Submittal of Implementation Plans; Revised Guideline on Air Quality Models (Notice of Final Rule) Acid Rain Program (Notice of Draft Permits and July 16, 1993 Public Comment Period) Hazardous Air Pollution (Proposed Regulations July 13, 1993 Governing Equivalent Emission Limitations by Permit Under Section 112(j) of the Clean Air Act, As Amended) Retrofit/Rebuild Requirements for 1993 and Earlier July 9, 1993 Model Year Urban Buses (Notice of Public Workshop for Equipment Certifiers) Fuels and Fuel Additives (Ethyl Corporation Waiver July 2, 1993 Application for Methylcyclopentadienyl Tricarbonyl (MMT) and Petition for Review - Circuit Court Remand) Clean Fuel Fleet Emission Standards, Conversions, July 1, 1993 and General Provisions and Amended Heavy-Duty Averaging, Banking, and Trading Credit Accounting Regulations (Notice of Clarification Concerning the Comment Period and Opportunity to Request a Public Hearing) California State Motor Vehicle Pollution Control July 1, 1993 Standards (Notice of Opportunity for Public Hearing and Public Comment) Emission Defect Reporting Requirements (Notice of June 30, 1993 Public Workshop and Request for Comments) Prevention of Significant Deterioration (PSD) for June 30, 1993 Particulate Matter (Notice of Correction to Final Rule) The California Pilot Test Program and Clean-Fuel June 29, 1993 Vehicle Standards for Light-Duty Vehicles and Light-Duty Trucks (Notice of Proposed Rule) Control of Air Pollution From New Motor Vehicles June 28, 1993 and New Motor Vehicle Engines: Evaporative Emission Regulations for Gasoline and Methanol-Fueled Light- Duty Vehicles and Light-Duty Trucks and Heavy-Duty Vehicles (Notice of Technical Correction on FRM) Draft Acid Rain Permits Public Comment Period June 28, 1993 (Notice of Correction) Intent to Form an Advisory Committee to Negotiate June 25, 1993 Small Nonroad Engine Regulations Under the Federal Advisory Committee Act (FACA) Control of Air Pollution from New Motor Vehicles June 23, 1993 and New Motor Vehicle Engines; Regulations Requiring On-Board Diagnostic Systems in 1994 and Later Model Year Light-Duty Vehicles and Light-Duty Trucks (Notice of Public Workshop and Reopening of Comment Period) Standards of Performance for New Stationary Sources June 21, 1993 and Guidelines for Control of Existing Sources: Municipal Solid Waste Landfills (Notice of Availability of New Information for NPRM) Control of Air Pollution from New Motor Vehicles June 17, 1993 and New Motor Vehicle Engines; Refueling Emission Regulations for Light-Duty Vehicles and Trucks and Heavy-Duty Vehicles (Notice of Change in Date for Public Hearing and Additional Request for Comment on Proposed On-Board Refueling Vapor Recovery Regulations) Approval of State Programs and Delegation of June 16, 1993 Federal Authorities EPA is Required to Publish Under Section 112(l) of the CAA Amendments (Notice of Public Hearing and Extension of Public Comment Period) Draft Acid Rain Permits (Notice of Draft Permit June 11, 1993 and Public Comment Period) Control of Air Pollution from New Motor Vehicle June 10, 1993 Engines; Gaseous and Particulate Emission Regulations for 1994 and Later Model Year Light- Duty Vehicles and Light-Duty Trucks (Notice of Final Rule; Technical Amendments) Oxygenated Gasoline; Utah Waiver Application and June 10, 1993 Proposed Establishment of Control Periods for the Salt Lake/Ogden, MSA (Notice of Public Hearing) Grand Canyon Visibility Transport Commission and June 10, 1993 and Operations Committee (Notice of Meetings) Clean Fuel Fleet Emission Standards, and General June 10, 1993 Provisions and Amended Heavy-Duty Averaging, Banking, and Trading Credit Accounting Regulations (Notice of Proposed Rule) Acid Rain Program; Announcement of Open Meeting June 9, 1993 on Continuous Emission Monitoring (CEM) Data Acquisition and Handling Systems (SAHS) Certification, and Electronic and Magnetic Data Reporting for the CEM Rule In-Use Urban Bus Testing Program (Notice of June 8, 1993 Availability of Advisory Circular) Health and Environmental Standards for Uranium June 8, 1993 and Thorium Mill Tailings (Notice of Proposed Rule) Prevention of Significant Deterioration (PSD) June 3, 1993 for Particulate Matter (PM-10) (Notice of Final Rule) Draft List of Categories and Regulatory Schedule June 2, 1993 for Air Emissions from Other Solid Waste Incinerator Units under Section 129 of the CAA (Notice of Availability) Control of Air Pollution from New Motor Vehicles May 27, 1993 and New Motor Vehicle Engines; Refueling Emission Regulations for Light-Duty Vehicles and Trucks and Heavy-Duty Vehicles (Notice of Public Hearing and Reopening of Comment Period on Proposed Onboard Vapor Recovery Regulations) Control of Air Pollution from New Motor Vehicles May 24, 1993 and New Motor Vehicle Engines; Federal Test Procedure Review (Notice of Availability of a Preliminary Report, EPA Document #420-R-93-007, and Solicitation of Comments) Air Pollution Control; Motor Vehicle Emission May 20, 1993 Factors (Notice of Availability of Updated and Corrected Highway Motor Vehicle Emission Factor Model MOBILE5a) Request for Nominations for Essential Use May 20, 1993 Exemptions for CFCs, Methyl Chloroform, Carbon Tetrachloride, and HBFCs Approval of State Programs and Delegation of May 19, 1993 Federal Authorities EPA is Required to Publish Under Section 112(l) of the CAA Amendments (Notice of Proposed Rule) Regulation of Fuels and Fuel Additives Standards May 18, 1993 for Reformulated Gasoline and Conventional Gasoline (Notice of Extension of Comment Period and Public Workshop) Control of Air Pollution from New Nonroad Mobile May 17, 1993 Sources; Determination of Significance for Nonroad Sources and Emission Standards for Oxides of Nitrogen and Smoke from New Nonroad Compression-Ignition Engines At or Above 50 Horsepower (Notice of Proposed Rule) Economic Incentive Program Rules/Interim May 14, 1993 Guidance on the Generation of Mobile Source Emission Reduction Credits (Extension of Public Comment Period) Protection of Stratospheric Ozone; Refrigerant May 14, 1993 Recycling Program Under Section 608 of the CAA Amendments (Notice of Final Rule) Protection of Stratospheric Ozone; Significant May 12, 1993 New Alternatives Policy (SNAP) Program on Substitutes for Ozone Depleting Compounds Under Section 612 of CAA Amendments (Notice of Proposed Rule) Clean Air Act; Acid Rain Provisions; 1993 May 10, 1993 EPA SO2 Allowance Auctions Results Motor Vehicle-Related Air Toxics Study May 7, 1993 (Notice of Availability) CAA Contractor Access to Confidential Business May 6, 1993 Information (Notice) National Emission Standards for Hazardous Air May 6, 1993 Pollutants; Compliance Extensions for Early Reductions (Notice of Complete Enforceable Commitments Received Through April 6, 1993) Approval of Colorado's Petition To Relax the April 30, 1993 Federal Reid Vapor Pressure Volatility Standard for Colorado in 1992 and 1993 (Notice of Final Rule) Amended Schedule for the Phaseout of Ozone- April 28, 1993 Depleting Substances and Request for Comment on the Allowance Level for 1995 Class I, Group I Substances (Notice Extending the Deadline for Submission of Comments on the 3/18/93 NPRM) CAA Contract Access to Confidential Business April 27, 1993 Information (Notice) Availability of Draft Model V Operating Permits April 27, 1993 (Notice of Availability) Oxygenated Gasoline; Waiver Application Submitted April 23, 1993 by the State of California (Notice of Public Hearing) Retrofit/Rebuild Requirements for 1993 and Early April 21, 1993 Model Year Urban Buses; Fuel Quality Regulations for Certification Diesel Test Fuel (Notice of Final Rule) National Ambient Air Quality Secondary Standards April 21, 1993 for Sulfur Oxides (Notice of Final Decision) Protection of Stratospheric Ozone; Federal April 12, 1993 Procurement Requirements Under Section 613 of the CAA Amendments (Notice of Proposed Rule) Control of Air Pollution From New Motor April 12, 1993 Vehicles and New Motor Vehicle Engines; Nonconformance Penalties for Heavy-Duty Engines and Heavy Light-Duty Trucks (Notice Re-opening Comment Period) Model Standards and Techniques for Control of April 12, 1993 Radon in New Buildings (Notice publishes standards for public review and comment as required by section 304 of Title III of the Toxic Substances Control Act) Proposed Model Construction Standards and April 7, 1993 Techniques for Control of Radon in New Buildings (Public Review and Comment) CAA Advisory Committee (Notice of Special April 6, 1993 Meeting) Regulation of Fuels and Fuel Additives; Standards April 1, 1993 for Reformulated Gasoline and Conventional Gasoline (Notice of Public Hearing and Notice of Correction for Proposed Rule) National Emission Standards for Hazardous Air March 31, 1993 Pollutants; Halogenated Solvent Emissions from Organic Solvent Cleaners (Public Review and Comment) Control of Air Pollution from New Motor Vehicle and March 24, 1993 New Motor Vehicle Engines; Particulate Emission Regulations for 1993 Model Year Buses, Particulate Emission Regulations for 1994 and Later Model Year Urban Buses, and Oxides of Nitrogen Emission Regulations for 1998 and Later Model Year Heavy- Duty Engines (Notice of Final Rule) Control of Air Pollution from New Motor Vehicles March 24, 1993 and New Motor Vehicle Engines; Evaporative Emission Regulations for Gasoline and Methanol- Fueled Light-Duty Vehicles, Light-Duty Trucks and Heavy-Duty Vehicles (Notice of Final Rule) National Emission Standards for Hazardous Air March 23, 1993 Pollutants (NESHAP) for Benzene Waste Operations; request for comment on possible future rulemaking to propose alternative compliance option for NESHAP: Benzene (Advance Notice of Proposed Rule) Acid Rain Allowance Allocations and Reserves March 23, 1993 (Notice of Final Rule) Notice of Availability of the National Allowance March 23, 1993 Data Base (Notice announces final data base upon which the Agency is basing the allowance allocations) Environmental Radiation Protection Standards for March 22, 1993 the Management and Disposal of Spent Nuclear Fuel, High-Level and Transuranic Radioactive Wastes (Extension of Public Comment Period) Criteria for the Certification of Compliance March 22, 1993 with Environmental Radiation Protection Standards for the Management and Disposal of Spent Nuclear Fuel, High-Level and Transuranic Radioactive Wastes (Extension of Public Comment Period) Protection of Stratospheric Ozone: March 18, 1993 Accelerating the Phaseout of Class I & Class II Ozone Depleting Substances and Adding Methyl Bromide and Hydro- bromofluorocarbons to Class I (Notice of Proposed Rule) Volatility Regulations for Gasoline & March 17, 1993 Alcohol Blends (Notice of Final Rule) Codification of Corresponding Onshore Area March 16, 1993 Designations and Notice of Convening Proceeding for Reconsideration of Certain Corresponding Onshore Area Designations Motor Vehicle Certification Short Test March 15, 1993 and Performance Warranty Procedures (Extension of Comment Period and Notice of Availability) Grand Canyon Visibiliby Transport March 15, 1993 Commission Work Plan Committees (Notice of Meetings) Determining Conformity of General March 15, 1993 Federal Actions to State or Federal Implementation Plans (Notice of Proposed Rule) Special Exemptions from Requirements; March 12, 1993 Section 325(a) of the CAA Territory of Guam (Notice of Proposed Rule) Final Documents: Employee Commute March 12, 1993 Options Guidance (Notice of Avaiilability) CAA Contractor Access to Confidential March 12, 1993 Business Information (Notice) Regulation of Fuels and Fuel Additives: Standards March 11, 1993 for Fuel Quality-Sulfur Content; and Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines: Standards for Oxides of Nitrogen Emissions from Heavy-Duty Diesel Engines and Correction of Type 2-D Diesel Test Fuel Specification for Light- Duty Vehicles, Light-Duty Trucks and Heavy-Duty Engines (Announcement of Public Meeting on Enforcement of Diesel Desulfurization Regulations) National Ambient Air Quality Standards for March 9, 1993 Ozone (Notice of Final Decision) Section 185B Report on Tropospheric Ozone February 26, 1993 (Notice of Report for Public Review) Regulation of Fuel and Fuel Additives: Standards February 26, 1993 for Reformulated Gasoline (Notice of Proposed Rule) New Source Review Simplification Workshop February 26, 1993 (Notice of Public Meeting) National Emission Standards for Hazardous Air February 24, 1993 Pollutants (HAP) for Source Categories: Organic Hazardous Air Pollutants from the Synthetic Organic Chemical Manufacturing Industry (SOCMI) (Notice of Public Hearing & Extension of Public Comment Period) Control of Air Pollution from New Motor February 24, 1993 Vehicles and New Motor Vehicle Engines; Federal Test Procedure (FTP) Review (Notice of Public Workshop) National Emission Standards for Hazardous February 23, 1993 Air Pollutants; Compliance Extensions for Early Reductions (Notice of Complete Enforceable Commitments Received Through 1/7/93) Interim Guidance on the Generation of Mobile February 23, 1993 Source Emission Reduction Credits (Notice of Proposed Guidance for Comment) Economic Incentive Program (Notice of February 23, 1993 Proposed Rule and Notice of Public Hearing) Control of Air Pollution from New Motor Vehicles and February 22, 1993 New Motor Vehicle Engines; Federal Test Procedure (FTP) Modifications (Notice of Availability) Control of Air Pollution from New Motor Vehicles and February 19, 1993 New Motor Vehicle Engines; Regulations Requiring On-Board Diagnostic Systems on 1994 and Later Model Year Light-Duty Vehicles and Light-Duty Trucks (Notice of Final Rule) Ambient Air Quality Surveillance; Revise Regulations February 12, 1993 to Include Provisions for the Enhanced Monitoring of Ozone (Notice of Final Rule) Environmental Radiation Protection Standards for February 11, 1993 the Management and Disposal of Spent Nuclear Fuel, High-Level Wastes (Notice of Public Hearings on Proposed Standards and Establishment of Dockets) Criteria for the Certification of Compliance with February 11, 1993 Environmental Radiation Protection Standards for Management and Disposal of Spent Nuclear Fuel, High-Level & Transuranic Radioactive Wastes (Advance Notice of Proposed Rule) Protection of Stratospheric Ozone; Labeling February 11, 1993 Requirements for Products Manufactured with, Containers of, and Products Containing Specific Ozone-Depleting Substances Pursuant to Section 611 of the CAA, as Amended (Notice of Final Rule) Regulations Governing Prior Notice of Citizen February 10, 1993 Suits Brought Under Section 304 of the Clean Air Act (Notice of Proposed Rule) Environmental Radiation Protection Standards February 10, 1993 for the Management and Disposal of Spent Nuclear Fuel, High-Level and Transuranic Radioactive Wastes (Notice of Proposed Rule) Air Pollution Control; Motor Vehicle Emission February 9, 1993 Factors (Notice of MOBILE5 Model Availability) Request for Nominations for Essential Use February 2, 1993 Exemption for Halons 1211, 1301, and 2402 Acid Rain Program; Nitrogen Oxides Emission January 25, 1993 Reduction Program (Extend Public Comment Period) Protection of Stratospheric Ozone; Ban of January 15, 1993 Nonessential Products Releasing Class I Ozone- Depleting Substances Under Section 610 of the CAA, as Amended (Notice of Final Rule) Motor Vehicle-Related Air Toxics Study January 13, 1993 (Notice of Availability of Public Review Draft) California State Motor Vehicle Pollution Control January 13, 1993 Standards; Waiver of Federal Preemption (Decision) Hazardous Air Pollutants List; Denying a Petition January 13, 1993 to Remove Five Specific Substances from the Category of Glycol Ethers as Listed in CAA Section 112(b)(1) (Notice of Denial) Control of Air Pollution from New Motor Vehicles January 12, 1993 and New Motor Vehicle Engines; Regulations for Light-Duty Vehicle and Light-Duty Trucks 1994, 1995, and 1996 Model Year Durability Testing Procedures, and Later Model Year Allowable Maintenance (Notice of Final Rule) Criteria and Procedures for Determining Conformity January 11, 1993 to State or Federal Implementation Plans, Programs, and Projects Funded or Approved Under Title 23 U.S.C. or the Federal Transit Act (Notice of Proposed Rule) Acid Rain Program: General Provisions and Permits, January 11, 1993 Allowance System, Continuous Emissions Monitoring, Excess Emissions and Administrative Appeals (Notice of Final Rule) Control of Air Pollution from New Motor Vehicles January 8, 1993 and New Motor Vehicle Engines; Gaseous and Particulate Emission Regulations for 1994 and Later Model Year Light-Duty Vehicles and Light-Duty Trucks, and Revised Performance Warranty Regulations; Addition of Certification Short Test Standards and Procedures (Notice of Proposed Rule) Air Quality Designations and Classifications January 8, 1993 Amendments; Reclassification of Moderate PM-10 Nonattainment Areas to Serious Areas (Notice of Final Rule) National Emission Standards for Hazardous Air January 7, 1993 Pollution; Benzene Waste Operations (Notice of Final Rule) National Emission Standards for Hazardous Air January 5, 1993 Pollutants; Coke Oven Batteries (Notice of Public Hearing) Meeting of the Grand Canyon Visibility Transport January 5, 1993 Commission Work Plan Committees (Notice of Meeting) National Emission Standards for Hazardous December 31, 1992 Air Pollutants for Source Categories; Organic Hazardous Air Pollutants from the Synthetic Organic Chemical Manufacturing Industry and Seven Other Processes (Notice of Proposed & Notice of Public Hearing) National Emission Standards for Hazardous Air December 29, 1992 Pollutants; Compliance Extensions for Early Reductions (Notice of Final Rule) Standards for Emissions from Natural Gas-Fueled December 29, 1992 and Liquified Petroleum Gas-Fueled Motor Vehicles and Motor Vehicle Engines, and Certification Procedures for Aftermarket Conversion Hardware (Notice of Extension of Comment Period) Test Methods for Measurement of VOC Capture Efficiency December 29,1992 (Notice of Availability of Draft Revised Test Methods) National Emission Standards for Hazardous Air December 23, 1992 Pollutants; Amendments to Vinyl Chloride Final Rule (Correction Notice) National Emissions Standards for Hazardous Air December 22, 1992 Pollutants (Correction Notice to include MOU as an attachment to NPRM to Rescind Subpart I of 40 CFR Part 61 as it Applies to Facilities Licensed by the Nuclear Regulatory Commission) Credit Program for California Pilot Test Program December 17, 1992 (Notice of Final Rule) Protection of Stratospheric Ozone; Refrigerant December 10, 1992 Recycling National Emission Standards for Hazardous Air December 9, 1992 Pollutants; Compliance Extensions for Early Reductions (Notice of Complete Enforceable Commitments Received Through October 1992) Regulation of Fuels and Fuel Additives; Standards December 8, 1992 for Reformulated Gasoline and Conventional Gasoline (Notice of Public Workshop) Operating Permit Program; OMB Approval December 4, 1992 of Information Requirements (Notice of Technical Amendments) National Emission Standards for Hazardous Air December 4, 1992 Pollutants for Source Categories; Coke Oven Batteries (Notice of Proposed Rule) National Emission Standards for Hazardous Air December 4, 1992 Pollutants; Coke Oven Emissions from By-Product Coke Oven Charging, Door Leaks, and Topside Leaks on Wet-Coal Charged Batteries (Proposed Rule; Notice of Withdrawl) National Emission Standards for Hazardous Air December 1, 1992 Pollutants (Notice of Proposed Rule to Rescind Subpart I of 40 CFR Part 61 as it Applies to Facilties Licensed by the Nuclear Regulatory Commission) Designations of Areas for Air Quality Planning November 30, 1992 Purposes (Notice of Final Rule Amendments and Corrections) State Implementation Plans; Nitrogen Oxides November 25, 1992 Supplement to the General Preamble; Clean Air Amendments of 1990; Implementation of Title I (Notice of Proposed Rule) Acid Rain Program; Nitrogen Oxides Emission November 25, 1992 Reduction Program (Notice of Proposed Rule and Notice of Public Hearing) Clean Air Act; Contractor Access to Confidential November 23, 1992 Business Information (Notice) Grand Canyon Visibility Transport Commission November 18, 1992 Work Plan Committees (Notice of Meeting) National Emission Standards for Hazardous Air November 9, 1992 Pollutants; Compliance Extensions for Early Reductions (Notice of Complete Enforceable Commitments Received through September 1992) Vehicle Inspection and Maintenance Requirements November 5, 1992 (Notice of Final Rule) Standards for Emissions from Natural Gas-Fueled, November 5, 1992 and Liquefied Petroleum Gas-Fueled Motor Vehicles and Motor Vehicle Engines, and Certification Procedures for Aftermarket Conversion Hardware (Notice of Proposed Rule) Tehnical Guidance Documents for Particulate November 3, 1992 Matter (Notice announcing availability of three technical guidance documents for control of PM-10 emissions from fugitive dust, residential wood and prescribed burning) State Implementation Plans for Nonattainment October 27, 1992 Areas for Sulfur Dioxide (Notice announcing findings of failure to submit required SIPs) Air Quality; Revision to Definition of Volatile October 26, 1992 Organic Compounds (Notice of Proposed Rule) Oxygenated Fuels Labeling Regulations Under Section October 20, 1992 211(m) of the CAA as Amended (Notice of Final Rulemaking) Regulation of Fuel and Fuel Additives; Administrator's October 20, 1992 Finding That No Control or Prohibition on Maximum Oxygen Content of a Winter Oxygenated Gasoline Program is Necessary Under Section 211(c)(4)(A) of the CAA as Amended (Notice of Proposed Finding) Guidelines for Oxygenated Gasoline Credit Programs October 20, 1992 and Guidelines on Establishment of Control Periods Under Section 211(m) of the CAA as Amended (Notice of Availability of Guidance Documents) National Air Pollution Control Techniques Advisory October 13, 1992 Committee (Notice of Open Meeting) Regulation of Fuels and Fuel Additives; Standards October 8, 1992 for Reformulated Gasoline (Notice of application for extension of the Reformulated Gasoline Program to the Dallas/Forth Worth area in the State of Texas) Clean Air Act; Acid Rain Provisions (Notice of October 7, 1992 delegation of administration of auctions and sales under section 416 of the CAAA from the Administrator of EPA to the Chicago Board of Trade) Approval and Promulgation of Implementation Plans; October 7, 1992 Appendix M, Addition of Method for Measurement of Opacity Emissions From Stationary Sources (Notice of Proposed Rule and Notice of Public Hearing) Ambient Air Quality Surveillance Regulations October 6, 1992 (Notice of Proposed Rulemaking) Fuels and Fuel Additives (Notice of Waiver October 5, 1992 Application from Lubrizol Corporation for Diesel Additive Labeled EZ-ADDtm) Clean Air Act; Contractor Access to Confidential October 5, 1992 Business Information (Notice) National Emission Standards for Hazardous Air October 1, 1992 Pollutants for Source Categories: Perchloroethylene Emissions from Dry Cleaning Facilities (Notice of Availability of New Information) Fuel and Fuel Additives; Proposed Testing Program Sept. 29, 1992 for Vehicles Utilizing Fuels Containing MMT (Notice of Public Workshop) Standards of Performance for New Stationary Sept. 28, 1992 Sources; Calciners and Dryers in Mineral Industries (Notice of Final Rule) Criteria for Exercising Discretionary Sanctions Sept. 28, 1992 Under Title I of the Clean Air Act (Notice of Proposed Rule) National Emission Standards for Hazardous Air Sept. 24, 1992 Pollutants; Draft Schedule for the Promulgation of Emission Standards (Notice of Availability) Clean Air Act; Contractor Access to Confidential Sept. 23, 1992 Business Information (Notice of Intent to Transfer Information to Subcontractor) Designations of Areas for Air Quality Planning Sept. 22, 1992 Purposes (Notice of Proposed Rule) Hazardous Waste Treatment, Storage, and Disposal Sept. 18, 1992 Facilities; Organic Air Emission Standards for Tanks, Surface Impoundments, and Containers (Notice of Data Availability) National Emission Standards for Hazardous Air Sept. 18, 1992 Pollutants (Notice of Proposed Rule to Stay the Effectiveness of Subpart I of 40CFR60 as it is applied to Facilities Other Than Commercial Nuclear Power Reactors Licensed by NRC) National Emission Standards for Hazardous Air Sept. 17, 1992 Pollutants; Compliance Extensions for Early Reductions (Notice of Complete Enforceable Commitments Received Through 7/31/92) Outer Continental Shelf Air Regulations Sept. 4, 1992 (Notice of Final Rule) Acid Rain Advisory Committee; Subcommittee on Sept. 3, 1992 Conservation Verification (Notice of Open Meeting) Contractor Access to Confidential Information Sept. 1, 1992 (Notice of Intent to Transfer Information to Subcontractor) Clean Air Act Advisory Committee August 28, 1992 (Notice of Open Meeting) Notice of Decision Regarding Waiver Preemption August 25, 1992 for California's Methanol Vehicle Regulations Notice of Decision Regarding Waiver Preemption August 25, 1992 for California's Amendment to its Warranty Statute and Regulations Regulation of Fuels and Fuel Additives Standards August 20, 1992 for Reformulated Gasoline and Conventional Gasoline (Notice of public workshop to help develop EPA's complex emissions model) Transportation and Air Quality Planning August 18, 1992 Guidelines Technical Characteristics, Emissions, and General August 13, 1992 Regulatory Issues Related to Nonroad Engines under 50 Horsepower (Notice of Meeting) Clean Air Act; Contractor Access to Confidential August 10, 1992 Business Information (Notice of Intent to Transfer Information to Subcontractor) National Ambient Air Quality Standards for Ozone; August 10, 1992 (Proposed Decision Not to Revise) National Emission Standards for Hazardous Air August 3, 1992 Pollutants; Compliance Extensions Early Reductions (Notice of Complete Enforceable Commitments Received) Ozone Design Value Study of the Clean Air Act August 3, 1992 Amendments of 1990 (Notice of Public Meeting) Protection of Stratospheric Ozone; Final Rule July 30, 1992 (Implements the 1992 and later requirements of section 604, as well as the related provisions of sections 603, 607 and 616) Vehicle Inspection and Maintenance Requirements for July 28, 1992 State Implementation Plans (Notice of availability of regulatory text, location of public hearing site and correction of proposed rule) New Source Review Simplification Workshop July 28, 1992 Control of Air Pollution from New Motor Vehicles and July 27, 1991 New Motor Vehicle Engines; in the matter of Particulate Emission Regulations for 1993 Model Year Buses, Particulate Emission Regulations for 1994 and Later Model Year Urban Buses, Retrofit/Rebuild Requirements for 1993 and Earlier Model Year Urban Buses, Test Procedures for Urban Buses, and Oxides of Nitrogen Emission Regulations for 1998 and Later Model Year Heavy-Duty Engines (Notice of Reopening of Comment Period and Public Workshop) Operating Permit Program (Notice of Final Rule) July 21, 1992 Requirements for Preparation, Adoption and Submittal of July 21, 1992 Implementation Plans; Approval and Promulgation of Implementation Plans; and Standards of Performance for New Stationary Sources (WEPCO)(Notice of Final Rule) California State Motor Vehicle Pollution Control July 21, 1992 Standards; Opportunity for Written Comments on Additional Information Submitted to the Public Docket of the Low-Emission Vehicle Standards Waiver Request Diesel Fuel Sulfur Content Petition for Exemption July 20, 1992 (Notice of Final Decision) Control of Air Pollution from New Motor Vehicles July 17, 1992 and New Motor Vehicle Engines; Interim Regulations for Cold Temperature Carbon Monoxide Emissions from 1994 and Later Model Year Gasoline-Fueled Light-Duty Vehicles and Light-Duty Trucks (Notice of Final Rule) Initial List of Categories of Source under July 16, 1992 Section 112(c)(1) of the CAA Amendments Draft Lead and Particulate Matter Addendum to the July 16, 1992 General Preamble for Title I of the CAA Amendments of 1990 and Staff Work Products Providing Technical Guidance for PM-10 Best Available Control Measures (Notice announcing availability of documents and of public meeting) Diesel Fuel Sulfur Content; Petition for Exemption July 15, 1992 from American Samoa (Notice of Final Decision) Regulation of Fuels and Fuels Additives; Standards July 14, 1992 for Reformulated and Conventional Gasoline (Notice to Extend Comment Period) Protection of Stratospheric Ozone; Standards and July 14, 1992 Requirements for Servicing of Motor Vehicle Air Conditioners (Notice of Final Rule) Vehicle Inspection and Maintenance Requirements for July 13, 1992 State Implementation Plans (Notice of Proposed Rule) Standards of Performance for New Stationary Sources; July 10, 1992 Appendix A Reference Methods; Amendments to Method 24 for the Determination of Volatile Matter Content, Water Content, Density, Volume Solids, and Weight Solids of Source Coatings (Notice of Final Rule) Acid Rain Allowance Allocations and Reserves July 7, 1992 (Notice of Proposed Rule) Acid Rain Provisions [Notice of Availability; July 7, 1992 Final Version of the National Allowance Data Base (NADB V 2.1) and Accompanying Technical Support Documents] Motor Vehicle and Engine Compliance Fees for: July 7, 1992 Light-Duty Vehicles and Trucks; Heavy-Duty Vehicles and Engines; and Motorcycles (Notice of Final Rule) Marine Engines and Vessels (Notice of Public June 29, 1992 Workshop) Air Pollution Control; Motor Vehicle Emission June 22, 1992 Factors (Notice of Public Workshop Mobile5) Nonroad Engines and Vehicles (Notice of Meeting) June 22, 1992 California State Motor Vehicle Pollution Control June 11, 1992 Standards; Waiver of Federal Preemption, Decision Standards of Performance for New Stationary June 10, 1992 Sources; Appendix A Test Method 26 (Final Rule; Correcting Amendment) Control of Air Pollution from New Motor Vehicles June 9, 1992 and New Motor Vehicle Engines; Regulations Requiring On-Board Diagnostic Systems on 1994 and Later Model Year Light-Duty Vehicles and Light-Duty Trucks (Notice of Public Workshop and Reopening of Comment Period) Regulation of Fuels and Fuel Additives Standards June 5, 1992 for Reformulated Gasoline (Notice of Application for Extension of Reformulated Gasoline Program to the District of Columbia) National Emission Standards for Hazardous Air June 3, 1992 Pollutants; National Emission Standards for Radon Emissions from Phosphogypsum Stacks (Notice of Final Rule) Control of Pollution from New Motor Vehicles and May 29, 1992 New Motor Vehicle Engines; Nonconformance Penalties for Heavy-Duty Engines and Heavy-Duty Vehicles, Including Heavy Light-Duty Trucks (Notice of Proposed Rule) Final Documents; Information Regarding the May 29, 1992 Formulation and Emission Reduction Potential of Transportation Control Measures (Notice of Availability) Regulation of Fuels and Fuel Additives Standards May 28, 1992 for Reformulation and Conventional Gasoline (Proposed Rule; Relocation and Rescheduling of Public Hearing and Extension of Comment Period) National Emission Standards for Hazardous Air May 20, 1992 Pollutants Benzene Waste Operations (Correction to Proposal) National Emission Standards for Hazardous Air May 15, 1992 Pollutants; Compliance Extensions for Early Reductions (Notice of Complete Enforceable Commitments Received) Approval of Colorado's Petition to Relax the May 12, 1992 Federal Reid Vapor Pressure Volatility Standards for Colorado in 1992 and 1993 (Notice of Proposed Rule) Colorado Petition to Relax Colorado Reid Vapor May 12, 1992 Pressure Standard (Temporary Direct Final Rule) State Implementation Plans for Nonattainment Areas May 8, 1992 for Particulate Matter (Notice Announcing Findings of Failure to Submit Required State Implementation Plans) Regulation of Fuels and Fuel Additives; Standards May 7, 1992 for Highway Diesel Fuel Quality-Sulfur Content; and Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines: Standards for Oxides of Nitrogen Emissions from Heavy-Duty Diesel Engines, and Correction of Type 2-D Diesel Test Fuel Specification for Light-Duty Vehicles, Light-Duty Trucks and Heavy-Duty Engines (Notice of Final Rule) Protection of Stratospheric Ozone; Labeling of May 4, 1992 Products using Ozone-Depleting Chemicals (Notice of Proposed Rule) Control of Air Pollution from New Motor Vehicles April 30, 1992 and New Motor Vehicle Engines; Regulations for Light-Duty Vehicle and Light-Duty Truck 1994 and 1995 Model Year Durability Testing Procedures and 1994 and Later Model Year Allowable Maintenance (Notice of Proposed Rule) Supplemental - State Implementation Plans; General April 28, 1992 Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990 (Appendices to the Proposed General Preamble published 4/16/92) Clean Air Act Advisory Committee (Notice of Meeting) April 24, 1992 Stratospheric Ozone Protection; Standards and April 22, 1992 Requirements Regarding the Servicing of Motor Vehicle Air Conditioners and Restrictions on the Sale of Small Containers of Class I or Class II Substances Pursuant to Section 609 of the CAA as Amended (Notice of Proposed Rule) Approval and Promulgation of Implementation Plans; April 17, 1992 Proposed Partial Disapproval of New Jersey Implementation Plan for Ozone (Notice of Hearing) Guidelines for Oxygenated Gasoline Waivers under April 17, 1992 Section 211(m)(3)(C) of the Clean Air Act as Amended (Notice of Availability of Guidelines) State Implementation Plans; General Preamble for April 16, 1992 the Implementation of Title I of the Clean Air Act Amendments of 1990 (Notice of Proposed Rule) Regulation of Fuel and Fuel Additives; Standards April 16, 1992 for Reformulated and Conventional Gasoline (Notice of Proposed Rule) Fuel and Fuel Additives Registration; Health April 15, 1992 and Emission Effects Testing Protocol (Notice of Proposed Rule) Control of Air Pollution from New Motor Vehicles April 15, 1992 and New Motor Vehicle Engines; Refueling Emission Regulations for Gasoline-Fueled Light-Duty Vehicles and Trucks and Heavy-Duty Vehicles (Final Agency Action Pursuant to Section 202(a)(6) of the Clean Air Act Regarding Onboard Control of Refueling Emissions) Control of Air Pollution from New Motor Vehicles April 15, 1992 and New Motor Vehicle Engines; Refueling Emission Regulations for Gasoline-Fueled Light-Duty Vehicles and Trucks and Heavy-Duty Vehicles (Notice notifies readers that because of EPA's final action involved in part the decision not to issue the rule initially proposed, that action is printed in the proposed rule section of the Federal Register) Ambient Air Quality Surveillance; Enhanced Ozone April 3, 1992 Monitoring Regulations (Notice of Extension of Comment Period) Regulation of Fuels and Fuel Additives; Standards April 1, 1992 for Reformulated Gasoline (Notice of Application for Extension of Reformulated Gasoline Program to New Jersey, Delaware, and Maryland) Control of Air Pollution from New Motor Vehicle March 31, 1992 Engines; Regulations Requiring On-Board Diagnostic Systems on 1994 and Later Model Year Light-Duty Vehicles and Light-Duty Trucks (Notice Reopening Comment Period) Clean Air Act; Contractor Access to Confidential March 27, 1992 Business Information (Notice of Intended Transfer of Confidential Business Information to Contractors) Regulation of Fuels and Fuel Additives; Standards March 25, 1992 for Reformulated Gasoline and Conventional Gasoline (Notice of Public Workshop) Section 187 Vehicle Miles Traveled (VMT) March 19, 1992 Forecasting and Tracking Guidance (Notice of Availability) Clean Air Act Advisory Committee March 10, 1992 (Notice of Special Meeting) Acid Rain Advisory Committee; Subcommittee on March 10, 1992 Conservation Verification (Notice of Open Meeting) Regulation of Fuels and Fuel Additives; Standards March 5, 1992 for Reformulated Gasoline (Notice of Application for Extension of Reformulated Gasoline Program to New York) National Emission Standards for Hazardous Air March 5, 1992 Pollutants; Benzene Waste Operations (Notice of Final Rule -- Stays the effectiveness of Subpart FF of 40CFR61 until final action is taken on clarifying amendments to Subpart FF) National Emission Standards for Hazardous Air March 5, 1992 Pollutants; Benzene Waste Operations (Notice of Proposed Rule -- Amendments to Subpart FF designed to clarify provisions of the rule that have been widely misunderstood by affected sources) Ambient Air Quality Surveillance; Enhanced Ozone March 4, 1992 Monitoring Regulations (Notice of Proposed Rule) Control of Air Pollution from New Motor Vehicles February 21, 1992 and New Motor Vehicle Engines; Evaporative Emission Regulations for Gasoline and Methanol-Fueled Light-Duty Vehicles and Light-Duty Trucks and Heavy-Duty Vehicles (Notice of Extension of Comment Period) Regulation of Fuels and Fuel Additives; Standards February 14, 1992 for Reformulated Gasoline and Conventional Gasoline (Notice of Public Workshop) Nonroad Engines and Vehicles Under 50 Horsepower February 14, 1992 (Notice of Public Workshop) Air Pollution Control; MOBILE5 Motor Vehicle February 14, 1992 Emission Factor Model (Notice of Public Workshop) Small Business Stationary Source; Technical and February 5, 1992 Environmental Compliance Assistance Program (Notice of Availability of Final Guidelines for Implementation of Section 507 of the CAA as Amended) Supplemental Notice of Proposed Guidelines February 5, 1992 for Oxygenated Gasoline Credit Programs under Section 211(m) of the CAA as Amended Supplemental Notice of Proposed Guidance on February 5, 1992 Establishment of Control Periods under Section 211(m) of the CAA as Amended Rules of Practice Governing the Administrative February 4, 1992 Assessment of Civil Penalties (Notice of Final Rule) Acid Rain Program; Announcement of Open Meeting on February 4, 1992 Electronic and Magnetic Data Reporting of Emissions Data for the CEM Rule Stratospheric Ozone Protection Advisory Committee February 3, 1992 (Notice of Open Meeting) Gasoline Detergent Additives Regulations February 3, 1992 (Notice of Public Workshop) Requirements for Preparation, Adoption and February 3, 1992 Submittal of Implementation Plans; Approval and Promulgation of Implementation Plans (Notice of Final Rule) Acid Rain Program; Change in Public Comment January 30, 1992 Period for the Core Rules Acid Rain Advisory Committee "Opt-In" Subcommittee January 24, 1992 (Notice of Open Meeting) Fuel and Fuel Additives; Ethyl Corporation Waiver January 22, 1992 Application (EPA denied Ethyl's request for waiver for HITEC 3000) Regulation of Fuels and Fuel Additives; Standards January 17, 1992 for Reformulated Gasoline and Conventional Gasoline (Notice of Public Workshop) Stratospheric Ozone Protection; Significant New January 16, 1992 Alternatives Policy (SNAP) Program (Request for Data and Advance Notice of Proposed Rulemaking) Stratospheric Ozone Protection; Ban Nonessential January 16, 1992 Products Releasing Class I Ozone-Depleting Substances and Require the Elimination of Emissions from Products Using Class I Substances under Sections 610 and 608 of the CAA, as amended (Notice of Proposed Rulemaking) National Emission Standards for Coke Oven Batteries January 15, 1992 Pursuant to Section 112 of the CAA, as amended (Establishment of Advisory Committee and Notice of Open Meeting) California State Motor Vehicles Pollution Control January 9, 1992 Standards (Notice of Opportunity for Public Hearings and Public Comment Period) Final Ruling on Petition Submitted by the Governor January 6, 1992 of the Virgin Islands Pursuant to Section 324(a)(1) of the Clean Air Act Final Report on the "Nonroad Engine and Vehicle January 6, 1992 Emission Study" (Notice of Availability) NESHAPS for Radionuclides; Subpart T as applied to NRC- December 31, 1991 licensed Uranium Mill Tailings Disposal Sites (Final Rule to Stay the Effectiveness of 40 CFR Part 61) NESHAPS for Radionuclides; Subpart T as applied to NRC- December 31, 1991 licensed Uranium Mill Tailings Disposal Sites (Proposal to Rescind 40 CFR Part 61) Health and Environmental Standards for Uranium and Thorium December 31, 1991 Mill Tailings (ANPRM pursuant to the UMTRCA of 1978 to amend its general environmental regulations pertaining to Uranium Mill Tailings Disposal Sites at 40 CFR Part 192, Subpart D) Protection of Stratospheric Ozone; 1991 Production and December 30, 1991 Consumption Restrictions of Ozone-Depleting Chemicals Required by Section 604 of the CAA Amendments of 1990 (Direct Final Amendment to the Temporary Final Rule) Control of Air Pollution from New Motor Vehicles and New December 27, 1991 Motor Vehicle Engines: Evaporative Emission Regulations for Gasoline- and Methanol-Fueled Light-Duty Vehicles and Light-Duty Trucks and Heavy-Duty Vehicles (Notice of Public Workshop; Changed Date) Regulation of Fuels and Fuel Additives; Standards for December 23, 1991 Reformulated Gasoline (Notice of Application for Extension of the Reformulated Gasoline Program to Connecticut, New Hampshire and Virginia) Control of Air Pollution from New Motor Vehicles and New December 23, 1991 Motor Vehicle Engines: Evaporative Emission Regulations for Gasoline and Methanol-Fueled Light-Duty Vehicles and Light-Duty Trucks and Heavy-Duty Vehicles (Notice of Public Workshop; Changed Date) Acid Rain Program: Announcement of Open Meeting on Acid December 20, 1991 Rain Program Forms Clean Air Act Advisory Committee (Notice of Open Meeting) December 19, 1991 National Emission Standards for Hazardous Air Pollutants December 19, 1991 (NESHAP); Polonium-210 Emissions from Elemental Phosphorus Plants (Notice of Final Rule) Preparation, Adoption, and Submittal of State Implementation December 17, 1991 Plans; Method 202 for Measurement of Condensible Particulate Emissions from Stationary Sources (Notice of Final Rule) Notice of EPA Request for Delegation Proposals to Administer December 17, 1991 the Auctions and Direct Sales Under Section 416 of the CAA Amendments of 1990, and Request for Public Comment Auctions, Direct Sales, and Independent Power Producers December 17, 1991 Written Guarantee Regulations (Notice of Final Rule) Control of Air Pollution from New Motor Vehicles and New December 17, 1991 Motor Vehicle Engines; Evaporative Emissions Regulations for Gasoline and Methanol-Fueled Light-Duty Vehicles and Light-Duty Trucks and Heavy-Duty Vehicles (Notice of Public Workshop and Report Availability) Requirements for Preparation, Adoption, and Submittal of December 16, 1991 Implementation Plans; Approval and Promulgation of Implementation Plans; Standards of Performance for New Stationary Sources (WEPCO) (Extension of Comment Period for Proposed Rulemaking) Control of Air Pollution from New Motor Vehicles and New December 13, 1991 Motor Vehicle Engines; Regulations Requiring On-Board Diagnostic Systems on 1994 and Later Model Year Light-Duty Trucks (Extension of Comment Period) Control Techniques Guideline Document: Reactor Processes December 12, 1991 and Distillation Operations in the Synthetic Organic Chemical Manufacturing Industry (Release of Draft Control Techniques Guideline (CTG) for Public Review) Regulation of Fuels and Fuel Additives; Standards for December 12, 1991 Gasoline Volatility; and Control of Air Pollution from New Motor Vehicle Engines; Standards for Particulate Emissions from Urban Buses (Notice of Final Rule) National Emission Standards for Hazardous Air Pollutants December 9, 1991 Benzene Waste Operations (Notice of Proposed Rule to Stay Effectiveness of Subpart FF of 40 CFR Part 61) Standards of Performance for New Stationary Sources; December 9, 1991 Perchloroethylene Dry Cleaners; Proposed Rule; Withdrawal National Emission Standards for Hazardous Air December 9, 1991 Pollutants for Source Categories: Perchloroethylene Emissions from Dry Cleaning Facilities (Notice of Proposed Rulemaking and Notice of Public Hearing) Outer Continental Shelf Air Regulations December 5, 1991 (Notice of Proposed Rulemaking) Acid Rain Program: Permits, Allowance System, December 3, 1991 Continuous Emissions Monitoring, and Excell Emissions (Notice of Proposed Rulemaking) Requirements for Preparation, Adoption, and Submittal November 25, 1991 of Implementation Plans; Approval and Promulgation of Implementation Plans; Standards of Performance for New Stationary Sources (WEPCO) (Reopening of Public Comment Period for Proposed Rulemaking) Reclassification of Moderate PM-10 Nonattainment November 21, 1991 Areas to Serious Areas (Notice of Proposed Rulemaking) Diesel Fuel Sulfur Content; Petition for Exemption November 18, 1991 for American Samoa (Notice of Proposed Decision) Regulation of Fuels and Fuel Additives (Notice of November 15, 1991 Application for Extension of the Reformulated Gasoline Program to Massachusetts and Pennsylvania) Contractor Access to Confidential Business Information November 14, 1991 California State Nonroad Engine and Vehicle Pollution November 8, 1991 Control Standards; Authorization of State Standards; California Primary Use Determination; Opportunity for Written Comments (Notice of an Opportunity to Submit Written Comments) State Implementation Plan Completeness Criteria November 8, 1991 (Technical Correction) NAAQS Attainment, Nonattainment, and Unclassified Area November 6, 1991 Designations and Classifications (Notice of Final Rulemaking) Revise Gas Guzzler Tax Statement on Fuel Economy Label October 28, 1991 (Direct Final Rule) Draft Documents; Information Regarding the Formulation October 28, 1991 and Emission Reduction Potential of Transportation Control Measures Availability (Notice of Availability) NESHAPs for Radionuclides; Subpart T as Applied to NRC- October 25, 1991 licensed Uranium Mill Tailings Disposal Sites (Notice of Proposed Rulemaking) Approval and Promulgation of Air Quality Implementation October 23, 1991 Plans; Massachusetts; Denial of Petition for Reconsideration; Disapproval of Compliance Date Extension for Automobile Surface Coating (Notice of Denial for Petition for Reconsideration) National Air Pollution Control Techniques Advisory October 22, 1991 Committee (Notice of Open Meeting) State Implementations for Nonattainment Areas for October 22, 1991 Ozone (Notice of Finding of Failure to Submit a Required SIP and Proposed Rule) Volatility Regulations for Gasoline and Alcohol Blends October 18, 1991 (Notice of Proposed Rulemaking) Clean Air Act Advisory Committee (Notice of October 9, 1991 Open Meeting) Nonroad Engine and Vehicle Emission Study October 9, 1991 (Notice of Public Meeting on Draft Report) Protection of Stratospheric Ozone Phaseout of the October 8, 1991 Production and Consumption of Class I Substances that Deplete the Ozone Layer (Notice of Proposed Rulemaking Correction) Protection of Stratospheric Ozone 1991 Limits on October 8, 1991 Production and Consumption of Ozone-Depleting Chemicals in Section 604 (Notice of Direct Final Amendment to the Temporary Final Rule) Requirements for Clean Fuel Fleet Credit Programs, October 3, 1991 Transportation Control Measures Exemptions, and for Federal Fleets (Notice of Proposed Rulemaking) Approval and Promulgation of Implementation Plans: October 3, 1991 Revision of the Visibility FIP for Arizona (Notice of Final Rulemaking) Protection of Stratospheric Ozone Phaseout of the Sept. 30, 1991 Production and Consumption of Class I Substances that Deplete the Ozone Layer (Notice of Proposed Rulemaking) Air Programs; Credit Program for California Pilot Sept. 25, 1991 Test Program (Notice of Proposed Rulemaking) Control of Air Pollution from New Motor Vehicles Sept. 24, 1991 and New Motor Vehicle Engines; Particulate Emission Regulations for 1993 Model Year Buses, Particulate Emission Regulations for 1994 and Later Model Year Urban Buses, Test Procedures for Urban Buses, and Oxides of Nitrogen Emission Regulations for 1998 and Later Model Year Heavy-Duty Engines (Notice of Proposed Rulemaking) Air Pollution Control; New Motor Vehicles and Sept. 24, 1991 Engines; On-Board Diagnostic Systems on 1994 and Later Model Year Light-Duty Vehicles and Light Duty Trucks (Notice of Proposed Rulemaking) Control of Air Pollution from New Motor Vehicles and Sept. 24, 1991 New Motor Vehicle Engines; Refueling Emission Regulations for Gasoline-Fueled Light-Duty Vehicles and Trucks and Heavy-Duty Vehicles (Notice of Extension of Public Hearing) National Emission Standards for Hazardous Air Sept. 19, 1991 Pollutants; Amendment to Benzene Rule for Coke By-Product Recovery Plants (Notice of Final Rulemaking) Asbestos NESHAP Training Requirements for On-Site Sept. 12, 1991 Representative (Notice of Guidance) Hazardous Waste Treatment, Storage, and Disposal Sept. 12, 1991 Facilities; Proposed Organic Air Emission Standards for Tanks, Surface Impoundments, and Containers (Extension of Public Comment Period) National Emission Standards for Hazardous Air Sept. 11, 1991 Pollutants; Polonium 210 Emissions from Elemental Phosphorus Plants (Notice of Proposed Rulemaking) Regulation of Fuels and Fuel Additives; Standards for Sept. 10, 1991 Reformulated Gasoline (Notice of Application for Extension of the Reformulated Gasoline Program to Maine) Stratospheric Ozone Protection Advisory Committee; Sept. 9, 1991 Renewal Waiver of Preemption to California for Nonroad Engine Sept. 6, 1991 and Vehicle Standards (Notice of Proposed Rulemaking) California State Nonroad Engine and Vehicle Pollution Sept. 6, 1991 Control Standards; Authorization of State Standards (Proposed Decision of the Administrator; Opportunity for Public Hearing) Protection of Stratospheric Ozone; Servicing of Sept. 4, 1991 Motor Vehicle Air Conditioners (Notice of Proposed Rulemaking) Draft 1991 Transportation-Air Quality Planning Sept. 4, 1991 Guidelines (Notice of Availability) Fuels and Fuel Additives; MMT Waiver Application Sept. 3, 1991 (Notice of Change of Hearing Date) Control of Air Pollution from New Motor Vehicles Sept. 3, 1991 and New Motor Vehicle Engines; Refueling Emission Regulations for Gasoline-Fueled Light-Duty Vehicles and Trucks and Heavy-Duty Vehicles (Notice of Public Hearing and Report Availability) Procedures Document for Establishing Emissions from August 27, 1991 Sources of Hazardous Air Pollutants (Notice of Draft Availability; Request for Public Comment) Air Pollution Control; Motor Vehicle Emission Factors August 26, 1991 (Notice of Availability of Revised Highway Motor Vehicle Emission Factor Model (MOBILE4.1)) State Implementation Plan Completeness Criteria August 26, 1991 (Notice of Final Rulemaking) National Emission Standards for Hazardous Air Pollutants; August 23, 1991 Polonium 210 Emissions from Phosphorus Plants (Notice of Public Hearing) Approval and Promulgation of Implementation Plans; August 20, 1991 State of California, Sacramento Metropolitan Air Quality Management District; Direct Final Rulemaking Requirements for Preparation, Adoption, and August 16, 1991 Submittal of Implementation Plans; Approval and Promulgation of Implementation Plans; Standards of Performance for New Stationary Sources (Extension of Public Comment Period for Proposed WEPCO Rulemaking) Fuel Economy Retrofit Device Evaluation for August 16, 1991 the Platinum Gasaver (Notice of Fuel Economy Retrofit Device Evaluation) Approval and Promulgation of Implementation August 13, 1991 Plans; Revision of the Visibility FIP for Arizona (Supplemental Notice Requesting Comment) Regulation of Fuels and Fuel Additives: August 13, 1991 Standards for Reformulated Gasoline (Notice of Application for Extension of the Reformulated Gasoline Program to Rhode Island) Acid Rain Advisory Committee: Subcommittee August 13, 1991 on NOx; Open Meeting (Notice of Open Meeting Dates) Designations and Classifications for Initial August 8, 1991 PM-10 Nonattainment Areas (Notice Correcting EPA's Announcement of the Designations and Classifications for the Initial PM-10 (particulate matter nominally 10 microns or smaller in diameter) Nonattainment Areas) Proposed Rule Establishing Test Procedures August 6, 1991 for the Analysis of Pollutants; Identification of Hazardous Waste; Test Methods (Extension of Comment Period) Proposed Rule to Rescind 40 CFR Part 61 Subpart I August 5, 1991 for Nuclear Power Reactors (Radionuclide NESHAP) Final Rule to Stay Subpart I of 40 CFR Part 61 August 5, 1991 as it Applies to Nuclear Power Reactors (Radionuclide NESHAP) Volatility Regulations for Gasoline and Alcohol August 2, 1991 Blends Sold in Calendar Year 1991: Northeastern Arizona (Notice of Final Rulemaking) Fuels and Fuel Additives: MMT Waiver Application August 1, 1991 Rules of Practice Governing the Administrative July 22, 1991 Assessment of Civil Penalties Under the Clean Air Act (Notice of Proposed Rulemaking) Organic Air Emission Standards for Hazardous Waste July 22, 1991 Treatment, Storage and Disposal Facilities (TSDF): Tanks, Surface Impoundments, and Containers (Notice of Proposed Rulemaking) Regulations for Registration of Lead Substitute July 19, 1991 Gasoline Additives to Reduce Valve Seat Wear (Notice of Proposed Rulemaking) National Allowance Data Base, Version 2.0: Acid July 19, 1991 Rain Provisions (Notice of Availability) Regulation of Fuels and Fuel Additives: Standards July 17, 1991 for Highway Diesel Fuel Quality-Sulfur Content; and control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines: Standards for Oxides of Nitrogen Emissions from Heavy-Duty Diesel Engines (Notice of Proposed Rulemaking) Approval and Promulgation of Air Quality Implementation July 10, 1991 Plans; Massachusetts; Revised Regulations Requiring Statewide Installation of Stage II Vapor Recovery Systems Oxygenated Fuels Labeling Regulations Under July 9, 1991 Section 211(m) of the Clean Air Act as Amended (Notice of Proposed Rulemaking) Guidance on Establishment of Control Periods Under July 9, 1991 Section 211(m) of the Clean Air Act as Amended (Notice of Proposed Guidance) Guidelines for Oxygenated Gasoline Credit Programs July 9, 1991 Under Section 211(m) of the Clean Air Act as Amended (Notice of Proposed Guidance) Regulation of Fuels and Fuel Additives: Standards July 9, 1991 for Reformulated Gasoline (Notice of Proposed Rule) Protection of Stratospheric Ozone (Temporary Final July 8, 1991 Rule; Correction) Small Business Stationary Source Technical and July 8, 1991 Environmental Compliance Assistance Program (SBAP); Notice of Staff Work Product Availability and of Public Meeting Guidelines Establishing Test Procedures for the July 3, 1991 Analysis of Pollutants; Identification and Listing of Hazardous Waste; Test Methods (Notice of Proposed Rule and Request for Comments) Acid Rain Advisory Committee (Notice of Open Meeting) July 2, 1991 Motor Vehicle and Engine Compliance Program Fees for: July 1, 1991 Light-Duty Vehicles; Light-Duty Trucks; Heavy-Duty Vehicles and Engines; and Motorcycles (Notice of Proposed Rulemaking) Fuel and Fuel Additives: Proposed Guidelines for July 1, 1991 Oxygenated Gasoline Credit Programs; Standards for Reformulated Gas (Notice of Hearing) Fossil Fuel-Fired Utility Steam Generating Units; Acid June 25, 1991 Rain Provisions (Notice of Availability) Clean Air Act Advisory Committee (Notice of Open June 25, 1991 Meetings) Preliminary Draft List of Categories and Subcategories June 21, 1991 Under Section 112 of the Clean Air Act (Notice of Availability and Request for Information) Applicability of New Source Review and New Source June 14, 1991 Performance Standards at Electric Utility Sources (WEPCO) (Notice of Proposed Rulemaking) General Preamble for Title I of the Clean Air Act June 13, 1991 Amendments (Draft Document Available and Public Meeting) NESHAP Compliance Extensions for Early Reduction of June 13, 1991 Hazardous Air Pollutants (Notice of Proposed Rulemaking) Waiver of Federal Preemption for Amendments to California's June 11, 1991 Regulations that Establish Standards and Certification Proce- dures for Methanol-Fueled Vehicles and Engines and Heavy-Duty Engines Fueled by Compressed Natural Gas or Liquid Petroleum Gas National Air Pollution Control Techniques Advisory June 7, 1991 Committee Request for Suggestions for List of Candidates Control of Air Pollution from New Motor Vehicles and New June 5, 1991 Motor Vehicle Engines: Gaseous and Particulate Emission Regulations for 1994 and Later Model Year Light-Duty Vehicles and Light-Duty Trucks; Final Rule Clean Air Act; Enforcement Authority Guidance May 30, 1991 Revision of Phase I Volatility Regulations for Gasoline: May 30, 1991 Northeastern Arizona (Notice of Proposed Rulemaking) NSPS Municipal Solid Waste Landfills (Notice of Proposed May 30, 1991 Rulemaking) Regulation of Fuels and Fuel Additives; Definition of May 30, 1991 Substantially Similar (Advanced Notice of Proposed Rulemaking) Regulation of Fuels and Fuel Additives Standards for May 29, 1991 Gasoline Volatility (Notice of Proposed Rulemaking) Urban Bus Particulate Matter Standard for Model Years 1991 May 29, 1991 to 1992 (Notice of Proposed Rulemaking) State Implementation Plan Completeness Criteria May 24, 1991 (Notice of Proposed Rulemaking) Auctions, Direct Sales and Independent Power Producers May 23, 1991 Written Guarantee Regulations (Notice of Proposed Rulemaking) NESHAP Radon Emissions from Phosphogypsum Stacks May 22, 1991 (Notice of Compliance Waiver) Stratospheric Ozone Advisory Committee (Announcement May 15, 1991 of Advisory Committee Meeting) Proposed Rule on Operating Permits Under Clean May 10, 1991 Air Act: Operating Permit Program (Notice of Proposed Rule; Notice of Opportunity for Public Hearing) Volatility Regulations for Gasoline and Alcohol Blends May 6, 1991 Sold in Calendar Year 1991: State of Texas (Notice of Proposed Rulemaking) Stay of Subpart I of CFR Part 61 Radionuclide Emissions April 24, 1991 (Final Rule) Preparation, Adoption, and Submittal of SIPS: PM-10, April 22, 1991 Sulfur Dioxide, and Lead Nonattainment and Unclassifiable Area Designations (Information Notice) Acid Rain Advisory Committee (Notice of Open Meeting) April 15, 1991 Control of Air Pollution Motor Vehicle Engines: Federal April 15, 1991 Certification Test Results for 1991 Model Year Request for Information Concerning Heavy-Duty Engine April 4, 1991 Rebuild (Notice, Request for Information) Regulation of Fuels and Fuel Additives (Direct Final Rule) April 4, 1991 Inspection Maintenance Policy (Notice of Public Workshop) April 3, 1991 Fuel Economy Test Procedures: Alternative-Fueled Automobile April 1, 1991 CAFE Incentives and Fuel Economy Labeling Requirements (Extension of Comment Period for the Notice of Proposed Rulemaking) National Emission Standards for Hazardous Air Pollutants; April 1, 1991 Amendment to Benzene Rule for Coke By-Product Recovery Plants (Notice of Proposed Rulemaking) Requirements for Preparation, Adoption and Submittal of March 18, 1991 Implementation Plans; Approval and Promulgation of Implementation Plans (Notice of Proposed Rulemaking) Air Quality: Revision to EPA Policy Concerning Ozone March 18, 1991 Control Strategies and Volatile Organic Compound Reactivity (Notice of Revised EPA Policy Statement) Notice Announcing Designation and Classifications for March 15, 1991 Initial PM-10 Nonattainment Areas National Emission Standards for Hazardous Air Pollutants-- March 13, 1991 NRC-Licensed Facilities (Advance Notice of Proposed Rulemaking) National Emission Standards for Hazardous Air Pollutants-- March 13, 1991 NRC-Licensed Facilities (Notice of Proposed Rulemaking) National Emission Standards for Hazardous Air Pollutants-- March 13, 1991 NRC-Licensed Facilities (Order Temporarily Staying Effective Date) Notice of Availability of Guidance and Submittal Forms for March 12, 1991 Elections under Sections 405(d)(3), 405(d)(4), and 405(g)(2) of the Clean Air Act Amendments of 1990 Control of Air Pollution from New Motor Vehicles and New March 7, 1991 Motor Vehicle Engines; Gaseous and Particulate Emission Regulations for 1994 and Later Model Year Light-Duty Vehicles and Light-Duty Trucks (Notice of Proposed Rulemaking) Regulations to Implement the 1991 Limits on the Production March 6, 1991 and Consumption of Ozone-Depleting Chemicals Required by Section 604 of the Clean Air Act Amendments of 1990 (Temporary Final Rule) Acid Rain Advisory Committee (Notice of Open Meeting) March 6, 1991 New Source Performance Standards: Standards of Performance March 5, 1991 for Polypropylene, Polyethylene, Polystyrene, and Poly (ethylene Terephthalate) Manufacturing Industry (Final Rule; Correction) National Emission Standards for Hazardous Air Pollutants-- March 4, 1991 Announcement of Negotiated Regulation for Equipment Leaks (Notice of Agreement on Negotiated Regulation) Fuel Economy Test Procedures: Alternative-Fueled Economy March 1, 1991 Labeling Requirements (Notice of Proposed Rulemaking) Nonroad Engines and Vehicles (Notice of Public Workshop) February 25, 1991 Notice of Fifth Conference on Air Quality Modeling February 25, 1991 Disclosure of Emission Data Claimed as Confidential Under February 21, 1991 Section 110 and 114(c) of the Clean Air Act (Notice of Policy on Public Release of Certain Emission Data Submitted Under Sections 110 and 114(c) of the Clean Air Act) National Emission Standards for Hazardous Air Pollutants-- February 15, 1991 NRC-Licensed Facilities (Notice of Proposed Rule) Requirements for Preparation, Adoption, and Submittal of February 13, 1991 Implementation Plans--Augmentation of Guidelines on Air Quality Models (Notice of Proposed Rulemaking) Standards of Performance for New Stationary Sources-- February 11, 1991 Addition of Performance Specification 4A to Appendix B and Revision of Procedure 1 of Appendix F (Final Rule) Emission Guidelines: Municipal Waste Combustors (Final February 11, 1991 Emission Guidelines) Standards of Performance for New Stationary Sources: February 11, 1991 Municipal Waste Combustors (Final Rule) Approval and Promulgation of Implementation Plans: February 8, 1991 Revision of the Visibility FIP for Arizona (Notice of Proposed Rulemaking and Announcement of Public Hearing) Standards of Performance for New Stationary Sources-- February 4, 1991 Amendments to Subpart J (Petroleum Refineries) and Addition of Performance Specification 7 to Appendix B (Final Rule; Correction) Performance Warranty Regulations and the Voluntary January 30, 1991 Aftermarket Part Certification Program: Supplemental Proposed Alternative Test Procedure (Supplemental Notice of Proposed Rulemaking) Approval and Promulgation of Implementation Plans: January 25, 1991 Deletion of Statutory Restriction on New Sources Under Certain Circumstances in Nonattainment Areas; California-- Kern and Fresno Counties Control of Air Pollution from New Motor Vehicles and New January 23, 1991 Motor Vehicle Engines: Evaporative Emissions Regulations for Gasoline and Methanol-Fueled Light-Duty Vehicles (Extension of Comment Period) National Air Pollution Control Techniques Advisory Committee January 11, 1991 (Notice of Open Meeting) Acid Rain Advisory Committee (Notice of Open Meeting) January 11, 1991 Notice Listing Ozone-Depleting Substances (Initial Lists) January 1, 1991 Fuels and Fuel Additives: Waiver Application (Notice) December 20, 1990 Amendments to Standards of Performance for New Stationary December 13, 1990 Sources: Reporting Requirements (Final Rule) Standards of Performance for New Stationary Sources: December 11, 1990 Polypropylene, Polyethylene, Polystyrene, and Poly(ethyl Terephthalate) Manufacturing Industry (Final Rule) Acid Rain Advisory Committee (Notice of Open Meeting) November 26, 1990 Stratospheric Ozone Protection: EPA Information Request November 26, 1990