Science & Technology
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Support Document for Asbestos Information Collection for the CDR Rule Section 21 Petition
Documents supporting the Section 21 petition submitted by the Asbestos Disease Awareness Organization.
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Water Quality Standards Regulations: Louisiana
Information related to Water Quality Standards for Louisiana.
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Responses to 40 CFR Part 75 Petitions - 2009
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2009.
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EPA Expands Research on COVID-19 in the Environment Webinar
Description and recording of a webinar on EPA's research on COVID-19 in the environment, presented by the Office of Research and Development's Emergency Response Research Webinar Series.
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AQS Pollutant Summaries
AQS Pollutant Summaries
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Compendium of EPA-Approved Analytical Methods for Measuring Radionuclides in Drinking Water
Provides a compilation of methods approved by the U.S. EPA for analyzing radionuclides in drinking water.
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Actinides and Sr-89/90 in Vegetation: Fusion Method
Procedures are described for analysis of Pu, Np, U, Th, Am/Cm in vegetation using alpha spectrometry.
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Method 1200: Analytical Protocol for Non-Typhoidal Salmonella in Drinking Water and Surface Water
Method 1200 is used for identification, confirmation and quantitation of non-typhoidal Salmonella in water samples, using selective and non-selective media followed by biochemical and serological confirmation.
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EPA Method 551.1: Determination of Chlorination Disinfection Byproducts, Chlorinated Solvents, and Halogenated Pesticides/Herbicides in Drinking Water by Liquid-Liquid Extraction and Gas Chromatography With Electron-Capture Detection
SAM lists this method for detection and measurement of chloropicrin in water samples using GC-ECD.
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ORISE Method AP7: Determination of Radium-226 in Water and Soil Samples Using Alpha Spectroscopy
This method uses alpha spectrometry to determine radium-226 in water and soil samples, with gamma spectroscopy used to analyze the barium tracer.
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ORISE Method AP11: Sequential Determination of the Actinides in Environmental Samples Using Total Sample Dissolution and Extraction Chromatography
This method uses alpha spectrometry to determine americium, californium, curium, plutonium or uranium in water, liquid, soil, sediment, surface wipes and air filters.
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ORISE Method Procedure #9: Determination of I-125 in Environmental Samples
This method uses gamma spectrometry to determine iodine in water, liquids, soil, sediment, surface wipes, air filters and vegetation.
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Y-12 (DOE) Preparation of Samples for Total Activity Screening
This method uses liquid scintillation to determine total activity in drinking water, liquids, soil, sediment, wipes, air filters and vegetation.
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EPA Method 900.0: Gross Alpha and Gross Beta Radioactivity in Drinking Water
SAM lists this method to provide an indication of the presence of alpha and beta emitters in drinking water samples, using alpha/beta counting.
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Selected Analytical Methods for Environmental Remediation and Recovery (SAM) 2012
SAM 2012 is a compendium of methods for use in analyzing samples for chemical, radiochemical, pathogen, and biotoxin contamination in environmental samples.
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Standardized Analytical Methods for Environmental Restoration Following Homeland Security Events – SAM 2010 (SAM 6.0)
SAM 2010 (6.0) is a compendium of methods for use in analyzing environmental samples for chemical, radiochemical, pathogen, and biotoxin contamination.
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Standardized Analytical Methods for Environmental Restoration Following Homeland Security Events (SAM) 4.0
SAM 4.0 is a compendium of methods for use in analyzing environmental samples for chemical, radiochemical, pathogen, and biotoxin contamination.
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Standardized Analytical Methods for Environmental Restoration Following Homeland Security Events (SAM) 5.0
SAM 5.0 is a compendium of methods for use in analyzing environmental samples for chemical, radiochemical, pathogen, and biotoxin contamination.
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Standardized Analytical Methods for Environmental Restoration following Homeland Security Events (SAM) 3.0
SAM 3.0 is a compendium of methods for use in analyzing environmental samples for chemical, radiochemical, pathogen and biotoxin contamination.
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Standardized Analytical Methods for Environmental Restoration following Homeland Security Events (SAM) 3.1
SAM 3.1 is a compendium of methods for use in analyzing environmental samples for chemical, radiochemical, pathogen, and biotoxin contamination.