Science & Technology
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2011 Air Toxics Data Analysis Workshop
Copies of the presentations at the 2011 Air Toxics Data Analysis Workshop
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Ambient Air Monitoring Network Assessment Guidance Documents
Tools and guidance documents to assist states in completing network assessments
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Generic Lead (Pb) Federal Equivalent Methods (FEMs) and SOPs
Generic Pb FEM SOPs
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National PM2.5 Performance Evaluation Program
Information on the NPAP program for PM2.5
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Community-Scale Air Toxics Ambient Monitoring (CSATAM)
Webpage for the PAMS monitoring network containing information on background, methods, QA, and other resources.
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Gamma-Gamma Density Logging
Gamma-Gamma Density Borehole Logging
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Integrated Risk Information System
EPA's Integrated Risk Information System (IRIS) is a human health assessment program that evaluates information on health effects that may result from exposure to environmental contaminants.
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Dioxin
This site contains all of EPA's information on the chemical known as 2,3,7,8-tetrachlorodibenzo-p-dioxin, which is more commonly referred to as "dioxin."
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Air Emissions Inventories
This site provides access to emissions data, regulations and guidance, electronic system access, resources and tools to support trends analysis, regional, and local scale air quality modeling, regulatory impact assessments.
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RFC 24002 - Nitrate and Nitrite in Drinking Water
Data quality problems with USEPA nitrate and nitrite RfDs and MCLs
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Follow Up to Appeal to RFC: Federal Data Quality Act Petition Against Further Dissemination of 'Climate Action Report 2002
Submitted by Competitive Enterprise Institute
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Appeal to RFC: Federal Data Quality Act Petition Against Further Dissemination of 'Climate Action Report 2002
Submitted by Competitive Enterprise Institute
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EPA response to RFC: Federal Data Quality Act Petition Against Further Dissemination of 'Climate Action Report 2002
EPA response to the Request for Correction (RFC)
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EPA response to RFC: Request for Correction of Information Pursuant to Office of Management and Budget and Environmental Protection Agency Information Quality Guidelines
EPA response to the Request for Correction (RFC)
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RFC 21005 – Chloroprene
RFC 21005 Chloroprene, Denka, Request for correction, Toxicological Review of Chloroprene, CAS No. 126-99-8, IRIS,
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AVERT Tutorial: Getting Started – Identify Your AVERT Region(s)
Allows you to identify your AVERT regions.
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Lawrence Berkeley National Laboratory: Subsurface Migration Modeling Fact Sheet
Science in Action Fact Sheet: LBNL researchers investigated potential pathways for subsurface migration of fluids from stimulated oil and gas reservoir to overlying drinking water aquifer
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The RealGas and RealGasH2O options of the TOUGH+ code for the simulation of coupled fluid and heat flow in tight/shale gas systems
Written by George Moridis and Craig M. Freeman.Published in Computers and Geosciences. October 2013.
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Analysis of Hydraulic Fracturing Fluid Data from the FracFocus Chemical Disclosure Registry 1
The EPA analyzed 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 across the United States.