Science & Technology
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SW-846 Test Method 4042: Soil Screening for dichlorodiphenyltrichloroethane (DDT) by Immunoassay
method to provide an estimate for the sum of concentrations of DDT and daughter compounds by comparison against standards
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SW-846 Test Method 4670: Triazine Herbicides as Atrazine in Water by Quantitative Immunoassay
method to provide a single quantitative result, reported as atrazine, for all triazine herbicide compounds detected
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SW-846 Test Method 5031: Volatile, Nonpurgeable, Water-Soluble Compounds by Azeotropic Distillation
procedure for separation of nonpurgeable, water-soluble, and volatile organic compounds in aqueous samples or leachates from solid matrices using azeotropic distillation
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SW-846 Test Method 8515: Colorimetric Screening Method for Trinitrotoluene (TNT) in Soil
procedure for screening soil samples to determine when 2,4,6-trinitrotoluene (TNT) is present
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SW-846 Test Method 7010: Graphite Furnace Atomic Absorption Spectrophotometry
method that applies to many metals in environmental samples including ground water, domestic and industrial wastes, extracts, soils, sludges, sediments, and similar wastes
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SW-846 Test Method 7195: Chromium, Hexavalent (Coprecipitation)
method used to determine larger concentrations of dissolved hexavalent chromium [Cr(VI)] in Extraction Procedure (EP) toxicity characteristic extracts and ground waters
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SW-846 Test Method 7199: Determination of Hexavalent Chromium in Drinking Water, Groundwater, and Industrial Wastewater Effluents by Ion Chromatography
procedures for the determination of hexavalent chromium in drinking water, groundwater, and industrial wastewater effluents
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Coal Combustion Residual Beneficial Use Evaluation: Fly Ash Concrete and FGD Gypsum Wallboard
This page contains documents related to the evaluation of coal combustion residual beneficial use of fly ash concrete and FGD gypsum wallboard including the evaluation itself and the accompanying appendices
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Methodology for Evaluating Encapsulated Beneficial Uses of Coal Combustion Residuals
The primary purpose of this document is to present an evaluation methodology developed by the EPA for making determinations about environmental releases from encapsulated products containing coal combustion residuals.
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Department of Transportation (DOT) Letter Regarding Samples Preserved According to EPA Requirements
February 2003 letter that responds to an EPA letter regarding the applicability of the Hazardous Materials Regulations to certain environmental standards.
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Guidance for Methods Development and Methods Validation for the Resource Conservation and Recovery Act (RCRA) Program
This document explains the SW-846 methods development process, including proof of concept and formal validation.
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RE: Request for Correction, Technical Support Document, "Greenhouse Gas Emissions Reporting from the Petroleum and Natural Gas Industry
The Industrial Energy Consumers of America (IECA) joins the U.S. Chamber of Commerce in its request for correction of information developed by the Environmental Protection Agency (EPA) in a background technical support document titled "Greenhouse Gas Emiss
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Re: RFC 12003 " Concerning EPA's Methane Emissions Estimates for Unconventional Natural Gas Well Completions
Assertation that the EPA's estimate of emissions resulting from the completion of unconventional natural gas wells are inaccurate.
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Response to Request for Correction 12002
Response to Artisan EHS Consulting's Request for Correction 12002 regarding notification requirements for hazardous substances, notifying that the error in question was a typographical error and has been fixed.
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Request for Correction 12001 Analyses Associated with the Impact of Biofuels: Status Update
Status update regarding the EPA repsonse to Request for Correction 12001, noting that the EPA is currently conducting an internal review of the draft response.
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RE:RE: Request for Correction 13001
Status update regarding Request for Correction 13001, noting that the internal review is taking longer than expected.
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Request for Correction 10005 Ramazzini Institute Methanol Study
Request for Correction by the Methanol Institute in regards to the review of certain tissue slides by the National Toxicology Program from research conducted by the Ramazzini Institute.
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RE: Request for Correction 11001 IRIS Assessment for Halogenated Platinum Salts and Platinum Compounds
Status update regarding Request for Correction 11001, informing that EPA has not yet completed its response.
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URS Shale Gas Emissions Analysis
Supplementary report for Request for Correction 12003.
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Request for Correction 11001 Toxicological Review of Halogenated Platinum Salts and Platinum Compounds
Request for Correction by the International Platinum Group Metals Association seeking the correction of information disseminated in the draft EPA document "Toxicological Review of Halogenated Platinum Salts and Platinum Compounds: In Support of Summary Inf