Data and Tools
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User's Manual for RSEI Model Version 2.1, December 2002
This manual accompanies version 2.1 of the Risk-Screening Environmental Indicators model.
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TRI Relative Risk-Based Environmental Indicators Methodology, June 1997
This report explains how the proposed Indicators are constructed, and includes discussions of the conceptual methodology, data sources, and the computational approach.
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Estimate of Stack Heights and Exit Gas Velocities for TRI Facilities in OPPT's Risk-Screening Environmental Indicators Model, June 1999
This document describes the methods used to estimate stack heights and exit gas velocities for TRI facilities
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User's Manual for RSEI Model Version 2.1.5, September 2007
This manual accompanies version 2.1.5 of the Risk-Screening Environmental Indicators model
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Analyses Performed for the Risk-Screening Environmental Indicators
Describes analyses performed as part of the Risk-Screening Environmental Indicators screening tool
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User's Manual for RSEI Model Version 2.1.2, August 2004
This manual accompanies version 2.1.2 of the Risk-Screening Environmental Indicators model.
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RSEI Version 2.1 Distribution Package
Information distributed to users in technical release of RSEI Version 2.1
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Methodology Document for RSEI Model Version 2.1, January 2004
This methodology document accompanies version 2.1 of the Risk-Screening Environmental Indicators model.
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Risk-Screening Environmental Indicators (RSEI) Methodology
Risk-Screening Environmental Indicators (RSEI) Methodology
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Developing the Risk-Screening Environmental Indicators
Describes options considered during the development of the Risk-Screening Environmental Indicators screening model
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Methodology Document for RSEI Model Version 2.1.2, August 2004
This methodology document accompanies version 2.1.2 of the Risk-Screening Environmental Indicators model.
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TRI Relative Risk-Based Environmental Indicators: Interim Toxicity Weighting Summary Document, June 1997
This document provides the methodology and preliminary results for the chronic exposure human health toxicity weights used in the Indicators project
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Methodology Document for RSEI Model Version 2.1.5, October 2007
This methodology document accompanies version 2.1.5 of the Risk-Screening Environmental Indicators model.
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S.H. Bell Chicago Air Monitoring Data
EPA has required environmental air monitoring of the S.H. Bell Company facility in Chicago, Illinois. Monitor data and monitor placement.
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FCA Consent Decree
FCA Consent Decree January 10, 2019
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Air Monitoring Methods
Information about EPA’s air monitoring methods
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Ambient Air Monitoring Quality Assurance Guidance Documents
This page contains links to Quality Assurance guidance documents for the ambient air monitoring networks.
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2007 Air Toxics Data Analysis Workshop
Copies of the presentations at the 2007 Air Toxics Data Analysis Workshop
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Remote Sensing Information Gateway
Remote Sensing Information Gateway, a tool that allows scientists, researchers and decision makers to access a variety of multi-terabyte, environmental datasets and to subset the data and obtain only needed variables, greatly improving the download time.
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EPA Research Webinar Series
This page links to all of the EPA research webinar series.