Science & Technology

Harmful Algal Blooms & Drinking Water Treatment

Covers harmful algal bloom and cyanobacteria research in relation to drinking water treatment

Harmful Algal Blooms Mitigation and Treatment Research

Overview of EPA's research on HABs mitigation and treatment

Webinar: Electricity Options for Remote Location or Low Landfill Gas Flow

LMOP webinar on December 6, 2023 about onsite end uses of landfill gas electricity.

Headquarters Frequently Requested Records

Frequently requested FOIA related documentation.

Virginia Underground Injection Control (UIC) permits

Underground Injection Control (UIC) permitted facilities in Virginia

Next Generation Emission Measurement (NGEM) Research for Fugitive Air Pollution

EPA is researching next generation technologies to detect and correct unanticipated emissions of air pollutants from leaks, industrial processes, and other sources.

Base Closure in New Mexico

Base closure information about Fort Wingate Depot Activity (FWDA)

EPA Region 4 to Review Cleanups at 55 Southeast Superfund Sites in 2026  

Release Date: December 4, 2025

Computational Toxicology and Exposure APIs: Clients

Client API packages have been developed to support access to the Computational Toxicology and Exposure APIs (CTX APIs)

Designation and NAAQS Information Related to PM-2.5 (2012 Standard)

Designation and NAAQS Information Related to PM-2.5 (2006 Standard)

Designation and NAAQS Information Related to PM-2.5 (1997 Standard)

Designation and NAAQS Information Related to PM-10 (1987 Standard)

Designation and NAAQS Information Related to 8-Hour Ozone (2008)

Designation and NAAQS Information Related to 8-Hour Ozone (1997 Standard) - NAAQS Revoked

Designation and NAAQS Information Related to Nitrogen Dioxide (1971 Standard)

United States 2030 Food Loss and Waste Reduction Goal

On September 16, 2015, the United States Department of Agriculture (USDA) and the United States Environmental Protection Agency (EPA) announced the first ever domestic goal to reduce food loss and waste by half by the year 2030.

NATA Limitations

Summary of the limitations of the 2005 NATA

NATA Overview

Background information about the National Air Toxics Assessment - what it is and how to use the data