Science & Technology
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Who should use COBRA?
Who should use COBRA?
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RFC 18003 - Ethylene Oxide
This RFC seeks the correction of Ethylene Oxide information disseminated in the 2014 update to the National Air Toxics Assessment (NATA)
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Addendum for: Rapid Method for Sodium Hydroxide Fusion of Limestone Matrices Prior to Americium, Plutonium, Strontium, Radium, and Uranium Analyses for Environmental Remediation Following Radiological Incidents
This document contains information which is intended to inform radioanalytical laboratories of newly developed EPA radiochemistry methods.
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EPA Celebrates Pacific Islands Zero Waste and Resilience Accomplishments
Guam, the CNMI and American Samoa Made Significant Progress
EPA News Release: EPA Celebrates Pacific Islands Zero Waste and Resilience Accomplishments
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EPA Announces $500,000 to Nevada’s Nye Communities Coalition for Job Training
EPA News Release: EPA Announces $500,000 to Nevada’s Nye Communities Coalition for Job Training
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EPA issues first ever underground injection permits for carbon sequestration in California
Carbon sequestration will be used at Kern County site to reduce carbon dioxide emissions and mitigate climate change
EPA News Release: EPA issues first ever underground injection permits for carbon sequestration in California
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Mid-Columbia River Fish Toxics Assessment
An assessment of concentrations of contaminants in fish tissue in the mid-Columbia River "main stem" between Bonneville Dam and Grand Coulee Dam.
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Josh F.W. Cook appointed as EPA Pacific Southwest Regional Administrator
EPA News Release: Josh F.W. Cook appointed as EPA Pacific Southwest Regional Administrator
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UIC Permit: VAS2D957BDIC
EnerVest UIC permit for a brine disposal injection well
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UIC Permit: VAS2D950BBUC
EnerVest UIC permit for a brine disposal injection well
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UIC Permit: PAS2R985AVEN
Tarr & Tarr OIl Production underground injection control enhance oil recovery permit page
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UIC Permit: PAS2D216BWAR
Bear Lake underground injection control permit
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UIC Permit: PAS2D215BWAR
Bear Lake underground Injection control permit
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Exposure Assessment Tools by Chemical Classes - Pesticides
EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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Exposure Assessment Tools by Chemical Classes - Inorganics and Fibers
EPA ExpoBox is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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User Guide for State Summaries
The EPA developed state-level summaries of chemical and water use using the project database developed from FracFocus 1.0 disclosures with some limited background information on oil and gas production, geology, and regulations for the state.
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About the Exposure Factors Handbook
Information about the Exposure Factors Handbook: 2011 Edition, including the history of the document, highlights documents, tables and spreadsheets, and more recent updates.
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EPA Project Database Developed from FracFocus 1 Disclosures
Well operators disclose information to FracFocus about ingredients and water used in hydraulic fracturing fluids at individual wells.
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EPA Analysis of FracFocus 1 Data Fact Sheet
The EPA analyzed over two years of data from the FracFocus Chemical Disclosure Registry 1.0 to better understand the chemicals and water used to hydraulically fracture oil and gas production wells in the United States.
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Rapid liquid chromatography–tandem mass spectrometry-based method for the analysis of alcohol ethoxylates and alkylphenol ethoxylates in environmental samples
Written by Patrick DeArmond and Amanda DiGoregorio, Published in Journal of Chromatography A. August 2013.