Science & Technology

Analyses Performed for the Risk-Screening Environmental Indicators

Describes analyses performed as part of the Risk-Screening Environmental Indicators screening tool

TRI Relative Risk-Based Environmental Indicators: Summary of Comments Received on the Draft 1992 Methodology and Responses to Comment, May 1997

This document contains general comments on the original Indicators methodology, the toxicity weighting, the chronic ecological indicator and other issues. OPPT's responses and proposed changes are also discussed.

Regional SDAMs FAQs

Answers to some of the most frequently asked questions about Regional SDAMs and how to apply them in the field are listed.

Sample Collection Information Documents (SCID)

Individuals responsible for collecting samples following an environmental contamination incident, can use this information to collect samples for analysis using the analytical methods listed in EPA's SAM

Safety Practices for On-Farm Anaerobic Digestion Systems

This document helps identify the major hazards associated with an AD facility and outline basic practices that will help maintain a safe and successful working environment.

Using Biochemical Methane Potentials and Anaerobic Toxicity Assays

Presentation by Lara Moody, Iowa State University, at the Fifth AgSTAR National Conference, regarding using biochemical methane potential (BMP) and anaerobic toxicity assays (ATA).

Attracting Institutional and Impact Investors

A power point presentation detailing the process to attract strong investors in the domestic wastewater market

Programmatic Information on Numeric Nutrient Water Quality Criteria

An overview of what EPA is doing to combat the nitrogen and phosphorus pollution problems in the U.S.

EPA Collaboration to Validate Satellite Air Quality Measurements

EPA scientists measured a combination of pollutants and meteorological variables across the Long Island Sound region as part of a multi-agency research campaign involving the NASA, NOAA, and state partners.

Regulatory Determinations for Pollutants in Biosolids

Information on the regulatory determinations for pollutants found in biosolids and the limits associated with those pollutants.

Learn about Regional SDAMs

Streamflow Duration Assessment Methods are rapid field methods using hydrological, geomorphological, and biological indicators, observable in one site visit, to classify streamflow duration as perennial, intermittent, or ephemeral at the stream reach scale

Using Spectral Flow Cytometry to Combat Harmful Algal Blooms in Drinking Water

EPA researchers are developing new methods to evaluate the treatment of algae and cyanobacteria in drinking water systems. Learn more in this article.

December 13, 2018 Meeting of the Human Studies Review Board

June 14, 2018 Meeting of the Human Studies Review Board

April 24-26, 2018 Meeting of the Human Studies Review Board

Title V Program Evaluations in Region 2-U.S.Virgin Islands

Final Evaluation Reports for U.S.Virgin Islands

TracMyAir Web Application for Researchers

The TracMyAir is a web application that predicts near real-time individual air pollution exposure and dose. The primary users for the web app are scientists conducting epidemiologic and field studies of air pollution.

Peer Review of the EPA TSCA Screening Level Approach for Assessing Ambient Air and Water Exposures to Fenceline Communities

TSCA SACC Fenceline Meeting Announcement

TracMyAir

TracMyAir is a web application air pollution exposure model that estimates a person’s daily exposure to outdoor-generated fine particulate matter (PM2.5) and ozone. The TracMyAir web app is an efficient and cost-effective tool for researchers.

Greenhouse Gas Equivalencies Calculator - Revision History

Describes the updates made to the Greenhouse Gas Equivalencies Calculator since it was first posted on EPA’s website in February 2008.