Science & Technology
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National Wetland Condition Assessment 2011 Lab Operations Manual
National Wetland Condition Assessment 2011 Lab Operations Manual
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National Coastal Condition Assessment 2010 Quality Assurance Project Plan
National Coastal Condition Assessment 2010 Quality Assurance Project Plan
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National Coastal Condition Report I Factsheet
The National Coastal Condition Report describes the ecological and environmental conditions in U.S. coastal waters. This first-of-its-kind Report, presents a broad baseline picture of the overall condition of U.S. coastal waters as fair to poor.
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National Wetland Condition Assessment 2011 Quality Assurance Project Plan
National Wetland Condition Assessment 2011 Quality Assurance Project Plan
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National Coastal Condition Assessment 2015 Design
This is the design documentation for the National Coastal Condition Assessment in 2015.
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National Lakes Assessment 2012 Design
This is the design document for the National Lakes Assessment in 2012.
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National Rivers & Streams Assessment 2013/14 Quality Assurance Project Plan
The Quality Assurance Project Plan for the NRSA 2013/14
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Watershed Academy Webcast: Draft National Rivers and Streams Assessment 2008-2009: A Collaborative Survey
Watershed Academy webcast on the results of the National Rivers and Streams Assessment 2008-2009 Report
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Watershed Academy Webcast: National Lakes Assessment: Reporting on the Condition of the Nation's Lakes
Watershed Academy webcast on the results of the National Lakes Assessment 2007 Report
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Within Year Temporal Variability in Water Chemistry - A White Paper
This page includes a pdf of a white paper by Herlihy and Sifneos, 2017 called Within-Year Temporal Variability in Water Chemistry in EPA's National Aquatic Resource Surveys (2000-2014)
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Technical Appendices for RSEI Version 2.1.5, September 2007
These six Technical Appendices accompany the RSEI User's Manual Version 2.1.5 and provide additional information on the data used in the model.
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Technical Appendices for RSEI Version 2.1, December 2002
These six Technical Appendices accompany the RSEI User's Manual Version 2.1 and provide additional information on the data used in the model.
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices (July 2013)
Technical appendices for the Risk-Screening Environmental Indicators screening tool
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Risk-Screening Environmental Indicators (RSEI) Model User's Guide
Risk-Screening Environmental Indicators Model User's Guide
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Technical Appendices for RSEI Version 2.1.2, August 2004
These six technical appendices accompany the RSEI User's Manual Version 2.1.2 and provide additional information on the data used in the model
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Ground-Truthing of the Air Pathway Component of the Risk-Screening Environmental Indicators Model, October 1998
This report evaluates the air pathway component of the Office of Pollution Prevention and Toxics’ (OPPT’s) Risk-Screening Environmental Indicators Model
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Air Quality Dispersion Modeling - Related Model Support Programs
Programs and utilities that are used in support of some of the dispersion models listed here. Note that utilities designed for use with particular models will be found with those models.
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Peer review workshop report on ecological soil screening level (eco-ssl) guidance document, August 31, 2000
The purpose of this document is to present a summary of peer review workshop that was held on July 26-27, 2000, for the U.S. Environmental Protection Agency's (EPA's) draft
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Implementing the Deputy Administrator's Risk Characterization Memorandum, May 26, 1992
The purpose of this memorandum is to implement in the Superfund program the reccomendations of the Deputy Administrator in his memorandum of February 26, 1992, 'Guidance on risk characterization for risk managers and risk assessors.'
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Air Quality Dispersion Modeling - Screening Models
Models that are often applied before applying a refined air quality model to determine if refined modeling is needed.