Laws & Regulations
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Proposed Relaxation of Summer Gasoline Volatility Standard for Denver/Boulder Area
EPA proposed to change the federal volatility (RVP) standard applicable to summer gasoline supplied to the Denver/Boulder area from 7.8 pounds per square inch (psi) to 9.0 psi.
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Regulation of Fuel and Fuel Additives: Refiner and Importer Quality Assurance Requirements for Downstream Oxygenate Blending and Requirements for Disposition of Pipeline Interfaces
This page summarizes the final rule for Refiner and Importer Quality Assurance Requirements for Downstream Oxygenate Blending and Requirements for Disposition of Pipeline Interfaces.
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Regulation of Fuel and Fuel Additives: Removal of Reformulated Gasoline Oxygen Content Requirement
This page summarizes final rule for Removal of Reformulated Gasoline Oxygen Content Requirement.
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National and California - Removal of Reformulated Gasoline Oxygen Content Requirement and Revision of Commingling Prohibition to Address Non-Oxygenated Reformulated Gasoline
These two rules amend the RFG regulations to remove the oxygen content requirement for RFG.
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Modification of the Covered Areas Provision for Reformulated Gasoline - RE: Former Non-attainment Areas
This final rule will expand this provision to allow states to opt into the RFG program for areas which had been previously classified as marginal, moderate, serious, or severe for ozone, but were subsequently redesignated to attainment.
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Transitional and General Opt-out Procedures for Phase II Reformulated Gasoline
EPA is issuing a final rule today to provide revised time periods for states with voluntary reformulated gasoline (RFG) programs to withdraw or opt-out areas from the program.
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Relaxation of the Summer Gasoline Volatility Standard for Shelby County (Memphis), Tennessee
EPA is taking direct final action to approve a request from the the Middle Tennessee Area for the EPA to relax the Reid Vapor Pressure standard applicable to gasoline introduced into commerce in the summer time for the Middle Tennessee Area.
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Relaxation of Summer Gasoline Volatility Standard for Several Parishes in Louisiana
EPA issued a proposed rule to relax the federal volatility (RVP) standard applicable to gasoline supplied to the 11 Louisiana parishes from 7.8 pounds per square inch (psi) to 9.0 psi during the summer ozone season.
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Proposed Regulation of Fuels and Fuel Additives: Federal Volatility Control Program in the Denver-Boulder-Greeley-Ft. Collins-Loveland, Colorado, 1997 8-Hour Ozone Nonattainment Area
This notice proposes establishing an applicable standard of 7.8 pounds (psi) Reid vapor pressure under the federal volatility control program, in the Denver-Boulder-Greeley-Ft. Collins-Loveland, Colorado, 1997 8-hour ozone nonattainment area.
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Modification of Baselines for Gasoline Produced or Imported for Use in Hawaii, Alaska, and U.S. Territories
This page summarizes the final rule for Modification of Baselines for Gasoline Produced or Imported for Use in Hawaii, Alaska, and U.S. Territories.
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Reports and Fact Sheets about the Drinking Water State Revolving Fund (DWSRF)
Drinking Water State Revolving Funds; DWSRF
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Performance Specification 16 for Predictive Emissions Monitoring Systems
Promulgated Performance Specification 16 - Specifications and Test Procedures for Predictive Emission Monitoring Systems in Stationary Sources.
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Notice of Withdrawal of Plantwide Applicability Limitation (PAL) Permit: Limetree Bay Terminals and Limetree Bay Refining
Limetree Bay Terminals and Limetree Bay Refining Plantwide Applicability Limitation (PAL) Notice of Withdrawal of Permit
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Copper Forming Effluent Guidelines
Overview and documents for Copper Forming Effluent Guidelines regulations, 40 CFR Part 468
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Revised Total Coliform Rule Level 1 Assessment Form
This form should be completed when a water system is notified that a Level 1 Assessment has been triggered as required under the Revised Total Coliform Rule (RTCR).
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Revised Total Coliform Rule Level 2 Assessment Sanitary Defect Correction Extension Request
Revised Total Coliform Rule Level 2 Assessment Sanitary Defect Correction Extension Request - This form should be used when requesting an extension on corrective actions after a Level 2 Assessment was triggered.
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Common Sense Approach to Chemical Accident Prevention Proposed Rule
2026 Risk Management Program proposed rule webpage
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Good Practices Manual for Delegation of NSPS and NESHAPS
These guidelines provide some recommendations on items a Regional Office (RO) should consider in evaluating a State's request for delegation.
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EPA Preliminary Approval Letter to the Department of Energy
This letter from EPA to the Carlsbad Field Office of the Department of Energy communicates preliminary approval on a framework for RH waste characterization.
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WIPP Docket A-93-02
WIPP Docket No. A-93-02 contains information that EPA considered in making its 1998 decision to certify that the Department of Energy had met the compliance criteria established by 40 CFR Part 194 and disposal regulations set by 40 CFR Part 191.