Science & Technology

Glossary for Air Pollution Terms in Particle Pollution and Your Patients' Health

Glossary of terms used in PM and Your Patients' Health

Anaerobic Digester/Biogas System Operator Guidebook

A handbook for those considering biogas technology as a manure management option, it provides a step-by-step method to determine what biogas system is appropriate for a livestock facility

Download and Install the GLI Clearinghouse

How to download and install the GLI Clearinghouse MS-Access database. Summary of changes since the previous version.

Evaluating Bioactivity of Tire Preservative, 6PPD, and its Degradant, 6PPD-quinone, in High Throughput Assays

A factsheet describing the use of bioassays to to identify alternative toxicity testing methods that can detect 6PPD-quinone’s biological activity in salmonids at a lower cost and higher throughput than toxicity testing.

2013/2014 Urban Waters Small Grants Program: Eligible Geographic Areas and Associated Hydrologic Unit Codes (HUCs)

Water Quality and Quantity from Greater Philadelphia Area / Delaware River Watershed

This page provides background information on the Greater Philadelphia Area/Delaware River Watershed area one of the 18 Designated Urban Waters Locations.

EPA Evaluations of Trading and Offset Programs in the Chesapeake Bay Watershed

This page provides the documents containing EPA's first evaluation of the Chesapeake Bay watershed jurisdictions' trading and offset programs.

Resources for Watershed Planning

handbook and updated supplements are intended to help communities, watershed organizations, and state, local, tribal and federal environmental agencies develop and implement watershed plans

Application of Weight-of-Evidence Methods for Transparent and Defensible Numeric Nutrient Criteria Report

A webpage for EPA's Application of Weight-of-Evidence Methods for Transparent and Defensible Numeric Nutrient Criteria Report.

JS Testing - SAM 2022 Biotoxin Methods Query

Laboratories measuring target chemical, radiochemical, pathogens, and biotoxin analytes in environmental samples can use this online query tool to identify analytical methods in EPA's Selected Analytical Methods for Environmental Remediation and Recovery

Technical Guidance on Implementing the Stormwater Runoff Requirements for Federal Projects

Federal Projects under Section 438 of the Energy Independence and Security Act.

EPA Toxicologists Focus Innovative Research on PFAS Compounds

EPA researchers have partnered with researchers at the National Toxicology Program to develop a tiered testing approach to quickly generate toxicity and kinetic information for approximately 75 PFAS compounds.

Fenceline Monitoring

Article about EPA's work to find air pollution leaks with smaller, faster, cheaper measurement technology

EPA Researchers Use Innovative Approach to Find PFAS in the Environment

EPA is using a new approach, non-targeted analysis, to help communities determine potential PFAS exposure.

The Science Behind Wildfire Smoke’s Toxicity

EPA researchers are measuring the health effects of wildfire smoke from different types of trees that are found around the US.

The Danger of Wildland Fire Smoke to Public Health

EPA scientist Wayne Cascio describes the state of knowledge on health effects from wildland fire smoke in a new paper.

Five Year Anniversary of the CompTox Chemicals Dashboard Brings New Updates

In November, EPA researchers released the 11th version of the dashboard, which now includes chemistry, toxicity, and exposure information for over 900,000 individual chemicals and provides access to 300 chemical lists.

Treating Deep Aquifer Contamination with Phytoremediation

EPA researchers tested a system for extracting contaminated water from a deep aquifer to determine if and to what extent trees can treat the contaminated water.

EPA Researchers Study What Causes Agricultural Nutrients to Move into Waterbodies of the Midwest

EPA researchers gathered hundreds of peer-reviewed literature sources to conduct two studies looking at what causes agricultural nutrients to move into Midwest waterbodies.

In the Field with EPA: Sampling in Coeur d’Alene, Idaho

EPA researchers recently traveled to Coeur d’Alene, Idaho, to sample pore water, surface water, and sediments from wetlands in the Lower Basin (mainstem) of the Coeur d’Alene River that are contaminated by mine waste.