Science & Technology
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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.
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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.
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Small Nonroad Spark-Ignition Engines Interactive Data Report
This page provides more detailed data about certified locomotives Small Nonroad Spark-Ignition (NRSI) Engines.
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Locomotive Engines Interactive Data Report
This page provides more detailed data about certified locomotives.
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Large Nonroad Spark-Ignition Engines Interactive Data Report
This page provides more detailed data about certified locomotives Large Nonroad Spark-Ignition (NRSI) Engines.
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Pollinator Projects at EPA Facilities
An image gallery showing pollinators and pollinator gardens at EPA facilities
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Background Information on the South Platte Urban Waters Federal Partnership
Fact Sheet providing background information on the South Platte Urban Waters Location.
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Sources of Greenhouse Gas Emissions
Sources of greenhouse gas emissions, inculding electricity production, tranportation, industry, agriculture, and forestry.
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Stormwater Tools in New England
Stormwater tools and research in New England. Information, data, tools, and research pertaining to the regulation, control, and study of stormwater in New England
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Project Profile: Ruckman Farm
This project profile for Ruckman Farm, located in Albany, Missouri, includes information about the farm's anaerobic digestion system, benefits, and recognition.
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State Monitoring Agency Annual Air Monitoring Plans and Network Assessments
This page contains links the State Annual Monitoring Plans.
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Project Planning and Financing
Designed to help evaluate if your technically feasible anaerobic digester system will work financially.