Science & Technology
-
Development and Validation of Same-day Monitoring Methods for Recreational Water
When water is polluted, swimmers can become ill from exposure to waterborne pathogens. EPA scientists have developed a DNA extraction method for determining the amount of pathogens present in water.
-
Parameters (PARAMS) Program Version 1.1 for indoor emission source modeling
The PARAMS program provides 30 methods for estimating some of the parameters in indoor emission source models.
-
Workshop on Biofuel Greenhouse Gas Modeling
EPA announces a virtual public workshop to solicit the most up-to-date information on modeling biofuel GHG emissions.
-
How are Counties Mapped to Fuel Regions in MOVES? How Can I Substitute Alternate Fuel Formulations?
See More Frequent Questions about MOVES and Related Models . The RegionCounty table in the MOVES default database maps each county to a MOVES fuel region (defined by regionCodeID). If you are conducting a County or Project Scale Run, you do not need to modify this table to use alternate…
-
EPA at 50 News Releases About Water
50th Anniversary news releases commemorating EPA's work with water challenges
-
EPA Enterprise Vocabulary
EPA Enterprise Vocabulary is a vocabulary of scientific, technical and regulatory terms with inputs from numerous research communities throughout EPA
-
Winners of the Cleaner Indoor Air During Wildfires Challenge
EPA and 10 federal, state, tribal and local organizations announce the Phase 1 winners of the Cleaner Indoor Air During Wildfires Challenge, which is designed to stimulate the advancement of new technologies to clean indoor air during wildfire smoke events
-
AQS "Ask the Experts" August 2019
AQS "Ask the Experts" August 2019
-
CMAQ: Celebrating 25 Years of Air Quality Modeling Excellence
This month, EPA proudly celebrates the 25th anniversary of CMAQ’s initial release, which occurred June 30, 1998. Read about what has made the CMAQ model so successful over the years and why it is still relevant today.
-
A Winning Formula: Making Connections to Turn Food Waste into Energy
The Agency’s interactive Excess Food Opportunities Map identifies and displays facility-specific information about potential generators and recipients of excess food.
-
Memorandum on use of air sensor data for NAAQS compliance
This is a memorandum that explains the use of air sensors for compliance with the National Ambient Air Quality Standards.
-
2020 AirToxScreen National Concentration Summaries
Application with national air toxics summaries
-
Energy and the Environment Research
EPA conducts research to examine the costs and benefits of using different mixes of energy technology in the United States and is required by Congress to provide reports on biofuels and potential impacts to the environment.
-
Risk Evaluation for 1,1-Dichloroethane
EPA designated 1,1-dichloroethane as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
-
Air Pollution in the Chesapeake Bay Watershed
This page describes how atmospheric deposition adds to the high levels of nitrogen in the Chesapeake Bay. It also provides an overview of the allocations given to atmospheric deposition.
-
Technical Support Documents Used to Develop the Chesapeake Bay TMDL
The Chesapeake Bay TMDL development was supported by several technical documents for water quality standards and allocation methodologies specific to the Chesapeake Bay. This page provides the technical support documents.
-
Ensuring Results in the Chesapeake Bay
This page shows how EPA is ensuring that progress is made in cleaning up the Chesapeake Bay and local waters.
-
Determining if You Are a Manufacturer or Importer Required to Report
These Frequent Questions (FQs) are intended to clarify the reporting requirements for Chemical Data Reporting for the 2016 reporting period.
-
Sewage Sludge Analytical Methods and Sampling Procedures
EPA's Office of Science and Technology manages the CWA methods program, working with EPA Regions, states, and stakeholders.
-
Risk Assessment of Pollutants in Sewage Sludge
Information on the risk assessment process for determining risk from pollutants found in biosolids.