Laws & Regulations

Determinations of Attainment, Failure to Attain and Reclassifications for the 2006 24-Hour PM Standards

Determinations of attainment and failure to attain for 11 24-hour PM2.5 nonattainment areas.

GHGRP and the Waste Industry

Page outlining interaction between the Greenhouse Gas Reporting Program (GHGRP) and different components of the waste sector, especially landfills

2017-2019 Air Emissions Modeling Platforms

The 2017-2019 Version 7 emissions modeling platforms are based on 2017 NEIv2.

Risk Evaluation for Perchloroethylene (PCE)

documents for Tetrachloroethylene (also known as perchloroethylene)

EPA Releases Compliance Guides for PCE Risk Management Rule

Announcement of EPA's release of guides on the use of perchloroethylene (PCE) for dry cleaning and energized electrical cleaning to help users and others comply with new regulations under the Toxic Substances Control Act (TSCA).

Las Mareas Bay Human Health Risk Assessment Study

EPA conducted a Human Health Risk Assessment (HHRA) to address community health concerns associated with recreational activities and consumption of fish captured at Las Mareas Bay in Guayama, Puerto Rico.The community requested scientific support to unders

Subpart A – General Provisions, Parent Company

Details GHGRP rulemaking actions affecting Subpart A of the program and provides links to relevant fact sheets, rulemaking documents, and other supporting materials.

Schedule a Pre-Application Meeting for a Clean Air Act Permit issued by EPA Region 10

Schedule a pre-application meeting for a CAA permit in EPA Region 10 for activities located on 40 Indian Reservations in Alaska, Idaho, Oregon and Washington.

NPDES Permit for Charlo Wastewater Treatment Facility in Montana

Under NPDES permit MT-0022551, the Consolidated Charlo-Lake County Water & Sewer District is authorized to discharge from its wastewater treatment facility located in Lake County, Montana to an unnamed swale that runs to Dublin Gulch.

FY 2026 Brownfields Multipurpose, Assessment, and Cleanup Grants in Region 7

FY 2026 Brownfields Multipurpose, Assessment, and Cleanup Grants  Guidelines Now Available

EPA to Support NDEE with Air Sampling at AltEn LLC Facility in Mead, Nebraska, from May 31 to June 2, 2022

EPA, with assistance from NDEE personnel, will conduct air sampling from May 31 to June 2, 2022, in an attempt to identify compounds that could be causing the foul odors at and near the AltEn LLC ethanol facility in Mead, Nebraska, weather permitting.

AltEn Facility, Mead, Nebraska - Fact Sheet, September 2021

Geospatial Measurement of Air Pollution – Field Screening

Removal Emergency Response Program

This notice announces the availability of funds and solicits applications from eligible entities to promote the participation of individual State and territorial programs in research activities.

What is EPA Doing to Help Restore Everglades Water Quality?

Learn how EPA regulates the Everglades.

FY22 Brownfields Job Training Grants

This notice announces the availability of funds and solicits applications from eligible entities, including nonprofit organizations, to deliver Brownfields Job Training programs that recruit, train, and place local, unemployed and under-employed residents