Laws & Regulations

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.

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.

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.

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.

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.

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.

Battery Manufacturing Effluent Guidelines

Overview and support documents for Battery Manufacturing Effluent Guidelines (40 CFR Part 461)

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.

Removal of the RFG Program from the Phoenix, Arizona Serious Ozone Non-attainment Area

EPA amends its reformulated gasoline regulations to reflect that the Phoenix, Arizona ozone nonattainment area will not be a covered area in the federal reformulated gasoline (RFG) program as of June 10, 1998.

Original RFG Final Rule: Standards for Reformulated and Conventional Gasoline Rule

This rule establishes the federal RFG program requirements and finalizes the antidumping rules for RFG and conventional gasoline.

Gasoline and Diesel Fuel Test Methods

This rule is to update our motor vehicle fuels programs regulations for several test methods and to provide for an additional alternative test method for olefins in gasoline, ASTM D6550.

Coal Mining Effluent Guidelines

Overview of Coal Mining effluent guidelines and standards (40 CFR Part 434) with support documents

Relaxation of Summer Gasoline Volatility Standard for Mecklenburg and Gaston counties, North Carolina Direct final action

EPA is taking direct final action to approve a request from the state of North Carolina for the EPA to relax the Reid Vapor Pressure standard applicable to gasoline introduced into commerce in the summer time for Mecklenburg and Gaston counties.

Relaxation of Summer Gasoline Volatility Standard for the Baton Rouge Area, Louisiana

EPA issued a proposed rule to relax the federal volatility standard applicable to gasoline supplied to the 5 Louisiana parishes of Baton Rouge, Livingston, Ascension, and Iberville from 7.8 pounds per square inch (psi) to 9.0 psi during the summer ozone se

Sixth Amended to Heaters and Boilers Consent Decree: Motiva Enterprises LLC, Equilon Enterprises LLC and Deer Park Refining Limited Partnership, Civil Action No. H-01-0978

H-01-0978 (S.D. TX)