Learn the Issues

Biomonitoring - Perfluorochemicals (PFAS)

information about perfluorochemical (PFC) levels measured in women.

Biomonitoring - Cotinine

Information about cotinine levels measured in children and women.

Biomonitoring - Mercury

Information information about mercury levels measured in women.

Biomonitoring - Lead

Information about lead levels measured in children.

Lithium-Ion Battery Recycling Frequently Asked Questions

this webpage contains the FAQs from the May 24, 2023 memo about the regulatory status of lithium-ion batteries

Basic Information about Air Quality FIPs

Basic information about developing air quality Federal Implementation Plans (FIPs).

About Air Quality Implementation Plans

This page provides basic information on a State Implementation Plan.

EPA Proposes Updated Groundwater Cleanup Plan for Hopewell Precision Superfund Site in Dutchess County, New York

U.S. Environmental Protection Agency (EPA) is proposing an updated groundwater cleanup plan for the Hopewell Precision Superfund site in Hopewell Junction, Dutchess County, New York. Based on years of groundwater data showing that contamination levels

Release Date: July 30, 2026

Air Monitoring Methods - Criteria Pollutants

Information describing EPA’s federally approved air monitoring methods

What If Airplanes Looked Like Stingrays?

Thought starter about potential ideas for reducing transportation carbon pollution.

Frequent Questions about Fuels Registration, Reporting, and Compliance Help

This page contains frequently asked questions and answers related to Fuels Registration, Reporting, and Compliance Help.

Frequent Questions about MOVES and Related Models

This page contains frequently asked questions and answers related to MOVES and Related Models.

Midwest Clean Diesel Initiative Clean School Bus Working Group

Region 5 Midwest Clean Diesel Initiative subpage created to list their structure and state coalition contacts for their new Bipartisan Infrastructure Law (BIL) Clean School Bus (CSB) Working Group.

Request for Applications: Training and Technical Assistance for Wastewater Treatment Works for the Prevention, Reduction, and Elimination of Pollution - Frequent Questions

Training and Technical Assistance for Wastewater Treatment Works for the Prevention, Reduction, and Elimination of Pollution Request for Applications Frequently Asked Questions