Science & Technology
-
UIC Permit: VAS3G931BSMY
USC Saltville underground injection control permit
-
Test 2025 - Radiological Decontamination – Outdoor Residential Query Results
Selected Outdoor Residential Self-Help Methods
-
Test 2025 - Radiological Decontamination – Indoor Residential Query Results
Selected Indoor Residential Self-Help Methods
-
Test 2025 - Radiological Decontamination Query Tool - Urban Wide-Area Decon - Search Results
Radiological Decontamination Query Tool - Urban Wide-Area Decon Search Results
-
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
-
EPA's Coral Reef Partners
Coral reefs are among the most biologically diverse and valuable ecosystems on Earth. This web site describes the importance of coral reefs, threats to them, and ongoing efforts to protect them.
-
Bioassessment and Biocriteria Program Status for Ute Mountain Ute Tribe: Streams and Wadeable Rivers
Bioassessment and Biocriteria Program Status for Ute Mountain Ute Tribe.
-
Bioassessment and Biocriteria Program Status for Idaho: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
-
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
-
Bioassessment and Biocriteria Program Status for Missouri: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
-
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.
-
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.
-
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.
-
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
-
Outreach Materials from the National Aquatic Resource Surveys
Communication Materials associated with the National Aquatic Resource Surveys
-
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
-
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.
-
Drinking Water Distribution Systems
Learn about an overview of drinking water distribution systems, the factors that degrade water quality in the distribution system, assessments of risk, future research about these risks, and how to reduce cross-connection control risk.
-
Small Nonroad Spark-Ignition Engines Interactive Data Report
This page provides more detailed data about certified locomotives Small Nonroad Spark-Ignition (NRSI) Engines.
-
Locomotive Engines Interactive Data Report
This page provides more detailed data about certified locomotives.