Science & Technology
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Information Quality Act Request for Correction Regarding Impacts of Biofuel Mandates on Global Hunger and Mortality
Request for correction of information by the Competitive Enterprise Institute and ActionAid USA
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Mismeasuring Methane
Estimating Greenhouse Gas Emissions from Upstream Natural Gas Development
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Attachment B: URS Shale Gas Emissions Analysis
This data was provided in response to a request by ANGA for actual current data that could be compared to EPA's assumptions used in the newly proposed "Oil and Natural Gas Air Pollution Standards, Subpart quad 0"
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January 3, 2005 RFC: Potential Ground-Water Flow Directions and Contaminant Fate and Transport in the Plaquemine Aquifer
Request submitted on behalf of the Dow Chemical Company
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June 1, 2005 EPA response to RFC: Potential Ground-Water Flow Directions and Contaminant Fate and Transport in the Plaquemine Aquifer
EPA response to the Request for Correction (RFC)
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Govis RFC: Information Quality Guidelines Atrazine
Request submitted by Julia Govis
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RFC: Information Quality Guidelines BMW Manufacturing Corp.
Submitted by the BMW Manufacturing Corp.
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EPA response to Appeal RFC: Perchlorate Environmental Contamination Toxicological Review and Risk Characterization
EPA response to the Request for Correction (RFC)
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RFC: 11702 Perchlorate Advisory Levels
Submitted by George Seaver
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EPA response to Appeal to RFC: 11702 Perchlorate Advisory Levels
EPA response to the Request for Correction (RFC)
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Previous Federal Agency Hazardous Waste Compliance Docket Updates
The Federal Agency Hazardous Waste Compliance Docket contains information reported to EPA by federal facilities that manage hazardous waste or from which hazardous substances, pollutants, or contaminants have been - or may be - released.
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Phosphogypsum
Phosphogypsum is a solid waste byproduct from processing phosphate ore to make phosphoric acid that is later used in fertilizer. The phosphate ore and the resulting phosphogypsum contain radium, which decays to form radon gas. Both radium and radon are rad
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Interim Guidance on the Destruction and Disposal of PFAS and Materials Containing PFAS
This 2026 update of the U.S. Environmental Protection Agency (EPA) interim guidance presents currently available information on the destruction and disposal of perfluoroalkyl and polyfluoroalkyl substances (PFAS) and PFAS-containing materials.
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EPA Method 5035A (SW-846): Closed-System Purge-and-Trap and Extraction for Volatile Organics in Soil and Waste Samples
SAM lists this method for preparation of solid samples to be analyzed for select VOCs, using purge-and-trap GC.
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EPA IO [Inorganic] Compendium Method IO-3.4: Determination of Metals in Ambient Particulate Matter Using Inductively Coupled Plasma (ICP) Spectroscopy
This method describes procedures for analysis of compounds containing arsenic, osmium, thallium or vanadium in prepared air samples, using ICP-AES.
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EPA Method 8290A, Appendix A (SW-846): Procedure for the Collection, Handling, Analysis, and Reporting of Wipe Tests Performed Within the Laboratory
This method provides procedures for detection and measurement of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans in a variety of environmental matrices.
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EPA IO [Inorganic] Compendium Method IO-5: Sampling and Analysis for Vapor and Particle Phase Mercury in Ambient Air Utilizing Cold Vapor Atomic Fluorescence Spectrometry (CVAFS)
This method describes procedures for preparation and analysis of air samples for vapor and particulate mercury using acid digestion and cold vapor atomic fluorescence spectrometry.
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EPA Air Method, Toxic Organics - 10A (TO-10A): Determination of Pesticides and Polychlorinated Biphenyls in Ambient Air Using Low Volume Polyurethane Foam (PUF) Sampling Followed by Gas Chromatographic/Multi-Detector Detection (GC/MD)
This method describes procedures for preparation and analysis of air samples for detection and measurement of select organic compounds, using solvent extraction and GC-MS.
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EPA Method 3135.2I: Cyanide, Total and Amenable in Aqueous and Solid Samples Automated Colorimetric With Manual Digestion
This method describes procedures for preparation and analysis of solid, water and wipe samples for detection and measurement of cyanide amendable to chlorination using acid digestion and spectrophotometry.
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EPA IO [Inorganic] Compendium Method IO-3.5: Determination of Metals in Ambient Particulate Matter Using Inductively Coupled Plasma/Mass Spectrometry (ICP-MS)
This method describes procedures for analysis of prepared air samples for detection and measurement of metal compounds as the total metal, using ICP-MS.