Science & Technology
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National Rivers & Streams Assessment 2013-2014 Design
This is the design document for the National Rivers & Streams Assessment in 2013-14.
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National Coastal Condition Report II Factsheet
The NCCR II is based on data gathered by a variety of federal, state and local sources, and includes over 50,000 samples taken between 1997 and 2000 in all continental seacoasts and Puerto Rico.
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National Wetland Condition Assessment 2016 Field Operations Manual
National Wetland Condition Assessment 2016 Field Operations Manual
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National Rivers & Streams Assessment 2008-2009 Site Evaluation Guidelines
The Site Evaluation Guidelines manual for the NRSA 2008-2009.
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National Rivers & Streams Assessment 2008-2009 Field Operations Manual
The Field Operations Manual for the NRSA 2008-2009.
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National Lakes Assessment 2012 Quality Assurance Project Plan
Quality Assurance Project Plan for the NLA 2012
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National Lakes Assessment 2012 Field Operations Manual
Field Operations Manual for the NLA 2012
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EPA Regional Monitoring Networks (RMNs) for Aquatic Ecosystems
The purpose of the site is to provide the regional, state, and tribal partners with the technical information that we've developed in order to participate in the regional monitoring networks (RMNs).
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National Lakes Assessment 2012 Site Evaluation Guidelines
Site Evaluation Guidelines for the NLA 2012
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National Rivers & Streams Assessment 2008-2009 Laboratory Operations Manual
National Rivers & Streams Assessment 2008-2009 Laboratory Operations Manual
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National Lakes Assessment 2012 Laboratory Operations Manual
Laboratory Manual for the NLA 2012
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National Coastal Condition Assessment 2010 Lab Methods Manual
National Coastal Condition Assessment 2010 Lab Methods Manual
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National Wetland Condition Assessment 2016 Quality Assurance Project Plan
National Wetland Condition Assessment 2016 Quality Assurance Project Plan
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Developing a Watershed Vulnerability Index
This page guides to develop a watershed vulnerability index
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Watershed Protection Projects By State and Region
This page guides the user how they can contribute and take active participation in keeping all the watersheds healthy.
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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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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