Science & Technology
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EPA response to RFC: Endangerment and Cause or Contribute Findings for Greenhouse Gases
Response to the RFC on behalf of the Peabody Energy Company, dated July 30, 2010
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EPA response to RFC: EPA's Action Plan for Bisphenol A Pursuant to EPA's Data Quality Guidelines
EPA has determined that the underlying information and conclusions are objective and of high quality, consistent with the EPA information quality guidelines
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March 14, 2007 RFR: Storm Water Enforcement and Compliance: Construction
Submitted on behalf of the National Association of Home Builders
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Three Keys to BMP Performance: Concentration, Volume, and Total Load
What is the concentration of the pollutant leaving the best management practice (BMP) and being discharged into the environment
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Cyprus Specialty Metals Company/Roquette America, Inc. Facility, Keokuk, Lee County, Iowa - Fact Sheet, July 2019
Public Comment Period for Draft RCRA Post-Closure Permit
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Design for the Environment (DfE) Certification: Information for Registrants
This Web page describes factors to consider before applying for the pesticide DfE program, plus data requirements, proposed labeling and more.
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Help with Chemical Data Reporting: How to Search for Chemicals Subject to Certain TSCA Actions
This document contains instructions on how to identify chemicals that are the subject of certain actions under the Toxic Substances Control Act (TSCA) using the Substance Registry Services (SRS).
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2020 TSCA Chemical Data Reporting Fact Sheet: Chemical Substances that are the Subject of Certain TSCA Actions
This fact sheet provides guidance for people who may be subject to the Chemical Data Reporting (CDR) rule on how their requirements for reporting for 2016 may be affected when chemical substances are the subject of certain TSCA actions.
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TSCA Chemical Data Reporting Fact Sheet: Kraft Pulp and Paper Process
This fact sheet provides guidance on Chemical Data Reporting (CDR) rule requirements related to Kraft pulp and paper mill chemical recovery processes.
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AMEM-ADL Polymer Migration Estimation Model User's Guide
The user's guide of the Arthur D. Little Polymer Migration Estimation Model (AMEM) provides the information on how the model estimates the fraction of a chemical additive that diffuses through polymeric matrices.
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SRD-Source Ranking Database Questions and Answers
The Source Ranking Database (SRD) contains screening level estimates of exposure and hazard to allow for prioritization and ranking of hundreds of chemicals used in consumer products.
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SRD-Source Ranking Database User's Guide and Documentation, Vol. 1 and Vol. 2
Source Ranking Database Documentation
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Keeping Fertilizer in the Ground and Dollars in Farmers’ Pockets
EPA researchers worked to examine the influence of certain crops and nutrient management practices on nitrate leaching into ground water.
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EPA’s EnviroAtlas Publishes Data on Three New Urban Areas, Including Philadelphia and Salt Lake City
Researchers have added fine-scale data and maps for three new urban areas to EnviroAtlas: Philadelphia, PA, Salt Lake City, UT, and Sonoma County, CA, which collectively include over 300 cities and towns not previously covered.
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Meet EPA Scientist Cissy Ma, Ph.D., P.E.
As an EPA research engineer Dr. Cissy Ma thinks big and seeks holistic and sustainable solutions to different environmental problems.
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EPA Scientists Test Non-Targeted Analysis Methods Using Drinking Water Filters
Today, researchers can rapidly search for thousands of never-before studied chemical compounds in a wide variety of environmental, residential, and biological media. This approach is called “non-targeted analysis” (NTA).
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Meet EPA Environmental Engineer and Interdisciplinary Scientist Santosh Raj Ghimire, Ph.D.
Dr. Santosh R. Ghimire analyzes the potential trade-offs of green infrastructure to support more sustainable water systems.
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EPA Science Matters Newsletter: Helping an Ally, and Learning from Disaster
EPA homeland security research helps Japan in the aftermath of the devastating earthquake, tsunami, and radiation leak.
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EPA Science Matters Newsletter: MCnest: Not Just for the Birds (Published January 2014)
Learn about the Markov Chain Nest Productivity Model (MCnest), a model that estimates the potential impact of pesticide exposures on the reproductive success of bird populations.
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Sourcing Urban Soil Contaminants to Improve Cleanup
A science matters story on Urban background contaminants