Laws & Regulations

Treatment as a State for Quapaw Tribe of Oklahoma for Clean Air Act Non-Regulatory Authorities

Quapaw Tribe of Oklahoma’s assertion of authority for the following non-regulatory programs: CAA §105, CAA §107(d)(3), CAA §126 (a) & (b), and CAA §505(a)(2).

Permit by Rule Authorization Related Documents for the Pocola Travel Plaza Located on Choctaw Nation Lands

This listing of documents supports the review conducted for the Pocola Travel Plaza

Tribal Consultation on Oklahoma Permitting SIP Revisions

Tribal Consultation on Oklahoma Permitting SIP Revision Submittal

Permit by Rule Authorization Related Documents for Choctaw Nation McAlester Travel Plaza

Provides the ESA/NHPA analysis in support of the Travel Plaza authorization by Permit Buy Rule

Manufacturer-Run In-Use Testing Program Data for Light-Duty Vehicles, Light-Duty Trucks, and Heavy-Duty Vehicles Class 2b and 3

This page provides data from the manufacturer-run in-use emissions verification testing program (IUVP) and in-use confirmatory testing program (IUCP).

Identified Limitations with Analyzing and Interpreting Annual Results Data and Charts

List of some specific known data limitations for the Annual Results charts

Fuel Economy and Environment Label Examples

See fuel economy and environment label examples for gasoline, electric and plug-in hybrid electric vehicles.

Fact Sheet: SNAP Determination of Acceptability (Notice 39)

EPA reviews substitutes within a comparative risk framework. EPA lists these substitutes as acceptable, acceptable subject to use conditions, acceptable subject to narrowed use limits, or unacceptable (prohibited) for specific uses.

Unacceptable and Acceptable Substitutes Tables

Landing page for substitute tables.

RadNet Query Builder Search User Guide

RadNet is a national network monitoring stations that regularly samples the nation's air, precipitation, drinking water, or pasteurized milk for a variety of radionuclides and radiation types.

Micron New York Semiconductor Manufacturing

US/Canada AQA Notification Table

Environmental Sampling in Henry County, Missouri

EPA Region 7 reviewed a scanned copy of a Jan. 7, 2025, report, received by EPA on Jan. 23, 2025, and provided background, water & sediment/soil sampling data & analysis, and conclusions from sampling in Montrose and Clinton, Missouri, and Montrose Lake.

(Draft Permit) Dead River Fish Hatchery, Pierce Pond Township, ME, ME0110477

A public notice of a draft MEPDES permit for Dead River Fish Hatchery, Pierce Pond Township, ME, ME0110477.

Geographic Locations: Maine

Coke Ovens Batteries: National Emissions Standards for Hazardous Air Pollutants (NESHAP)

Includes rule history, rule summary, Federal Register citations and additional documents for 40 CFR 63 Subpart L.

Coke Ovens: Pushing, Quenching and Battery Stacks: National Emission Standards for Hazardous Air Pollutants

Includes rule history, rule summary and additional documents.

Risk Management Program (RMP) Rule Overview

As required by Section 112(r) of the Clean Air Act Amendments, this rule contains regulations and guidance for chemical accident prevention at facilities that use extremely hazardous substances, and aids in emergency preparedness and response.

Risk Management Program (RMP) Rule

RMP implements Section 112(r) of the 1990 Clean Air Act amendments, and requires facilities that use extremely hazardous substances to develop a Risk Management Plan and revise/resubmit every five years. Find guidance, factsheets, training, and assistance.