Learn the Issues

Method 4 - Moisture Content

CFR Promulgated Test Method 4
Determination of Moisture Content in Stack Gases

Method 26 - Hydrogen Chloride, Halides, Halogen

CFR Promulgated Test Method 26 -
Determination of Hydrogen Chloride

2018v2 Emissions Modeling Platform

Modeling files and documentation from the 2018v2 Emissions Modeling Platform

Method 201A - PM10 and PM2.5 - Constant Sampling Rate Procedure

Promulgated CFR Test Method 201A Determination of PM10 and PM2.5 Emissions From Stationary Sources (Constant Sampling Rate Procedure)

PREPARED

The Workbook was developed by EPA New England and its contractors for local governments (it should also be useful to states, counties, tribes and quasi-governmental redevelopment entities).

San Juan Watershed Program: State and Tribal Projects

List of projects for the San Juan River Watershed fund under the WINN Act or funded independently by EPA.

Follow-Up Monitoring Data from Gold King Mine Incident

Monitoring Data from Gold King Mine Response

Hot Topics in Wyoming

Portal for news and information about EPA's efforts in Wyoming and the state's environmental conditions.

Lake Burger Holdings, LLC - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against Lake Burger Holdings, LLC for alleged violations stemming from Respondent’s violation of the Spill Prevention, Control, and Countermeasure requirements of 40 C.F.R. Part 1

EPA Increases Annual Funding to Accelerate Chesapeake Bay Watershed Restoration

More efficient funding approach redirects funds from coordination activities to environmental projects.

U.S. Environmental Protection Agency (EPA) announced it will award $39.5 million in funding to signatory jurisdictions of the Chesapeake Bay Watershed Agreement – ensuring the effective and responsible use of taxpayer resources by aligning dollars with env

Release Date: April 22, 2026

Drinking Water Cyanotoxin Risk Communication Toolbox - Graphics

Graphics from the Drinking Water Cyanotoxin Risk Communication Toolbox.

Comprehensive Performance Evaluation Protocol to Address Harmful Algal Blooms and Associated Cyanotoxins

DOJ Press Release: Maryland Woman Sentenced for Role in HSTF Multi-Million Dollar Money Laundering Conspiracy Case

What to Ask About Risk at Contaminated Sites

Information on what questions to ask EPA and its partners about risk contamination

EPA Testimony Statements for 117th Congressional Session 1

This age will list current testimonies for the 117th Congressional 1st session

Redevelopment Economics at Hazardous Waste Cleanup Facilities

This webpage displays information about facilities that have cleaned up under the Resource Conservation and Recovery Act (RCRA) Corrective Action program which contribute numerous benefits to their communities.

Clean School Bus Rebates: Online Rebate Forms

The 2022 Clean School Bus Program utilizes an applicant dashboard for submission of information to EPA. Currently there are two forms available for applicants to access on the dashboard: the application and payment request forms.

FAST-41 Projects With EPA Permits

EPA and FAST-41- Project table

Managing Asthma in the School Environment

This guide offers valuable information for all school staff, especially school nurses, teachers and maintenance staff, on how to identify and control common environmental factors in schools that trigger asthma episodes. [EPA 402-K-10-004].

Clearing the Air: Asthma and Indoor Air Exposure (Highlights)

The National Academy of Sciences Institute of Medicine issued this report in 2000 describing the role of indoor environmental pollutants in the development and exacerbation of asthma. The report concludes that exposure to indoor pollutants is an important