Data and Tools
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EPA Method 556.1: Determination of Carbonyl Compounds in Drinking Water by Fast Gas Chromatography
SAM lists this method for analysis of formaldehyde in drinking water, using fast gas chromatography with electron capture detection.
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DOE RESL Method P-2: 32P Fish, Vegetation, Dry Ash, Ion Exchange
This method uses Cerenkov counting and liquid to determine scintillation phosphorus in soil, sediment, wipes, air filters and vegetation.
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EPA Method 524.2: Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry
SAM lists this method for preparation and analysis of water samples to address carbon disulfide, 1,2-dichloroethane, acrylonitrile and methyl acrylonitrile, using GC-MS.
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EPA Method 350.1: Determination of Ammonia Nitrogen by Semi-Automated Colorimetry
SAM lists this method for preparation and analysis of drinking water samples for ammonia, using visible spectrophotometry.
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EPA Method 335.4: Determination of Total Cyanide by Semi-Automated Colorimetry
SAM lists this method for preparation and analysis of drinking water samples to determine total cyanide, using semi-automated colorimetry.
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Method 200.7: Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry
SAM lists this method for preparation and analysis of drinking water samples for total arsenic, thallium and vanadium, using inductively coupled plasma-atomic emission spectrometry.
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NIOSH Method 3510: Monomethylhydrazine
Method 3510 describes procedures for analysis of monomethylhydrazine in air samples using visible spectrophotometry.
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Section 10: Ground Water - Waste Characteristics & Targets
Learn about the waste characteristics factor category in the ground water pathway, which is made up of two components: the toxicity/mobility of the most hazardous substance associated with the site and the hazardous waste quantity at the site.
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Lifecycle Analysis of Greenhouse Gas Emissions under the Renewable Fuel Standard
This page provides guidance on how a company may petition EPA for a new renewable fuel pathway.
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Water Pollution Control (Section 106) Grants Funding History
Separate tables showing annual funding for water pollution control (Section 106) grants
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StreamCat Dataset - ReadMe
The Stream-Catchment (StreamCat) dataset is an extensive collection of landscape metrics for 2.6 million streams and associated catchments within the conterminous U.S.
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Guide to Using TRI Data to Reduce Pollution in Your Community
A guide for users to understand how Toxics Release Inventory data can help to assess sources of toxic chemical pollution in their communities and identify potential opportunities to reduce that pollution.
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Special Notice: EPA's Changed Business Practice to Use FedConnect
This page contains the FedConnect Special Notice form for for the divisions of Acquisitions Management.
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ECM for Fluazaindolizine & Degradates in Soil - MRID 50932066
Environmental Chemistry Methods for Fluazaindolizine & Degradates in Soil - MRID 50932066
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Wetlands Programs Adopted by States and Tribes and Analysis of Core Components
Information about State, Tribal and Local Initiatives
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How Do I Develop a Wetlands Regulatory Program?
Information on how to develop a regulatory program and how to implement it
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How Do I Develop a Wetlands Monitoring Program?
Information on how to develop a monitoring program
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WhAEM2000 BBM Files - Atchison, Missouri
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Atchison Quadrangle, Missouri. Files serve as geographic basis for groundwater modeling.
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WhAEM BBM Files - Missouri
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for quadrangles in Missouri. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Yazoo City, Mississippi
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Yazoo City Quadrangle, Mississippi. Files serve as geographic basis for groundwater modeling.