Laws & Regulations

Water Quality Standards Regulations: Kentucky

Information related to Water Quality Standards for Kentucky.

Engine Testing Regulations

This page provides links to the appropriate regulatory citations and includes published information related to the test procedures.

May 6, 2005, Transportation Conformity Rule That Addresses PM2.5 Precursors

This final rule, published by EPA on May 6, 2005, adds the following transportation-related PM2.5 precursors to the transportation conformity regulations: nitrogen oxides (NOx), volatile organic compounds (VOCs), sulfur oxides (SOx), and ammonia (NH3).

Volkswagen Light Duty Diesel Vehicle Violations for Model Years 2009-2016

This site provides information on EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen. The NOV alleges software that circumvents EPA emissions standards for certain air pollutants.

Gasoline Standards

Information about EPA's gasoline regulations, including the Tier 3 Gasoline Sulfur program, the Mobile Source Air Toxics rule, Reformulated Gasoline (RFG) regulations, and volatility requirements.

Financial Responsibilities for Underground Injection Well Owners or Operators

This page provides information on UIC financial responsibility requirements, qualifying financial instruments
Roles and responsibilities for operators and UIC Directors UIC Director’s and review procedures for financial responsibility instruments.

Consolidated Human Activity Database (CHAD) - Documentation for CHAD-Master

This document describes CHAD and its use.

Memoranda Associated with the External Review Draft of Policy Assessment in the Review of the Secondary NAAQS for Oxides of Nitrogen, Oxides of Sulfur and PM

EPA's Health and Environmental Impacts Division had to make corrections to some of the risk results included in earlier drafts of the Health Risk and Exposure Assessment from the current review of ozone national ambient air quality standards (NAAQS).

DOJ Press Release: CEO among those guilty of falsifying wastewater test results

2019 Petition Requesting the Administrator Object to Title V Permit for Riverview Energy

This document is part of the title V petition database.

2019 Petition Requesting the Administrator Object to Title V Permit for LaSalle Bioenergy

This document is part of the title V petition database.

2017 Petition Requesting the Administrator Object to Title V Permit for Phillips 66 Borger Refinery

This document is part of the Title V Petition Database.

Federal Water Quality Standards Applicable to Maine

EPA withdraws federal Clean Water Act water quality standards that would apply to certain waters under the state of Maine’s jurisdiction.

Withdrawal of Certain Federal Criteria for California

EPA final rule to amend the federal regulations to withdraw certain federal water quality criteria for lead, chlorodibromomethane, and dichlorobromomethane applicable to California.

Water Quality Standards: Establishment of Revised Numeric Criteria for Selenium for the San Francisco Bay and Delta, State of California

EPA is proposing to revise the current federal Clean Water Act selenium water quality criteria applicable to the salt and estuarine waters of San Francisco Bay and Delta.

Louisiana SIP: LAC 33:III Ch. 13 Subchap A, §1301 to §1309--General; SIP effective 1989-05-08 (LAc49) and 1989-08-14 (LAc50) to 2011-08-03 (LAd34)

Louisiana SIP: LAC 33:III Ch. 13 Section 13 Subchap A, §1301 to §1309--General; SIP effective 1989-05-08 (LAc49) and 1989-08-14 (LAc50) to 2011-08-03 (LAd34)