Science & Technology
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Helping Communities Manage Electronic Waste
To help understand and improve the flow of used electronics products from consumer markets to the waste or reuse stream, EPA researchers have developed the Alternative Disposition of Electronics Planning Tool, also called ADEPT.
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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.
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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.
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EPA Science Matters Newsletter
Read Science Matters, an EPA newsletter that publishes articles on the research the Agency is conducting. The newsletter also includes profiles on EPA scientists.
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UIC Permit: VAS3G931BSMY
USC Saltville underground injection control permit
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Test 2025 - Radiological Decontamination – Outdoor Residential Query Results
Selected Outdoor Residential Self-Help Methods
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Test 2025 - Radiological Decontamination – Indoor Residential Query Results
Selected Indoor Residential Self-Help Methods
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Test 2025 - Radiological Decontamination Query Tool - Urban Wide-Area Decon - Search Results
Radiological Decontamination Query Tool - Urban Wide-Area Decon Search Results
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EPA to Hold June 27 Workshop on Hercules, Inc. Superfund Site in Hattiesburg
EPA to Hold June 27 Workshop on Hercules, Inc. Superfund Site in Hattiesburg
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Bioassessment and Biocriteria Program Status for Ute Mountain Ute Tribe: Streams and Wadeable Rivers
Bioassessment and Biocriteria Program Status for Ute Mountain Ute Tribe.
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Bioassessment and Biocriteria Program Status for Idaho: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
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Bioassessment and Biocriteria Program Status for U.S. Virgin Islands: Estuarine and Coastal Waters
Biocriteria Program Status of Bioassessment and Biocriteria Program Status for U.S. Virgin Islands: Estuarine and Coastal Waters
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Bioassessment and Biocriteria Program Status for Missouri: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
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Cyanobacteria Assessment Network (CyAN)
CyAN is a multi-agency project among the National Aeronautics and Space Administration (NASA), National Oceanic and Atmospheric Administration (NOAA), US Geological Survey (USGS), and EPA to develop an early warning indicator system to detect algal blooms.
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U.S. EPA Method 3051A: Microwave Assisted Acid Digestion of Sediments, Sludges, and Oils
SAM lists this method for preparation of solid samples to be analyzed for arsenic, osmium, thallium, titanium and vanadium.
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EPA Method EMSL-33: Isotopic Determination of Plutonium, Uranium, and Thorium in Water, Soil, Air, and Biological Tissue
SAM lists this method for the analysis of plutonium in drinking water by alpha spectrometry.
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Nitrogen Dioxide (NO2) Air Quality Standards - Documents Prior to Review Completed in 1996
Nitrogen Dioxide (NO2 Primary) Air Quality Standards - Documents from Review Completed Prior to 1996
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Outreach Materials from the National Aquatic Resource Surveys
Communication Materials associated with the National Aquatic Resource Surveys
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Evaluating Analytical Method Improvements for Six-Year Review of Drinking Water Standards
Learn about how EPA considers analytical method improvements for evaluating contaminants in drinking water
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Six-Year Review 1 Contaminant Occurrence Data (1993-1997)
EPA completed its first detailed contaminant occurrence analyses in 2003 for 69 regulated contaminants, using data provided by a national cross-section of 16 states.