Science & Technology
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Air Quality Analysis
This site provides information for air quality data analysts inside and outside EPA. Much of the information is in the form of documented analyses that support the review of the national air quality standards.
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EPA Method 1682: Salmonella spp.
Method 1682 describes procedures for analysis of non-typhoidal Salmonella in biosolids and may be adapted for drinking and post decontamination waste water, particulate, soil and aerosol samples.
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USDA Laboratory Guidebook: “FSIS Procedure for the Use of a Listeria monocytogenes Polymerase Chain Reaction (PCR) Screening Test.” MLG 8A.03. 2007
Procedures are described for analysis of clinical samples and may be adapted for assessment of solid, particulate, aerosol and water samples containing Listeria monocytogenes using real-time PCR.
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e-Manifest Rulemakings and Policies
New e-manifest rulemaking page to replace existing basic information page.
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Resources on SF6 Alternatives
Links to the report titled Moving Toward SF6-Free High Voltage Circuit Breakers
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Heat Island Effect
EPA's Heat Island Effect Site provides information on heat islands, their impacts, mitigation strategies, related research, a directory of heat island reduction initiatives in U.S. communities, and EPA's Heat Island Reduction Program.
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Sporlan Valve Plant #1 Superfund Site, Washington, Franklin County, Missouri - Fact Sheet, July 2019
EPA Announces Placement of Site on National Priorities List and July 16 Public Meeting
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Proposed Determinations of Attainment, Failure to Attain and Reclassifications for the 2006 24-Hour PM Standards
Proposed determinations for 11 nonattainment areas classified as Moderate for the 2006 24-Hour Fine Particulate Matter National Ambient Air Quality Standards. Based on requirements under the C
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National Aquatic Resource Surveys
EPA reports information on the condition of our nation's waters using probabilistic surveys. The National Aquatic Resource Surveys assess the status of and changes in water quality of the nation's coastal waters, lakes, rivers and streams, and wetlands.
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National Wetland Condition Assessment 2011 Site Evaluation Guidelines
National Wetland Condition Assessment 2010 Site Evaluation Guidelines
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National Wetland Condition Assessment 2011 Field Operations Manual
National Wetland Condition Assessment 2011 Field Operations Manual
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National Coastal Condition Report III Factsheet
The National Coastal Condition Report III (NCCR III) is the third in a series of environmental assessments of U.S. coastal waters and the Great Lakes. The report includes assessments of the nation’s estuaries in the contiguous 48 states and Puerto Rico.
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National Coastal Condition Report IV Factsheet
Overall condition of the Nation’s coastal waters is fair. This rating is based on five indices of ecological
condition: water quality index, sediment quality index, benthic index, coastal habitat index, and fish tissue contaminants index. -
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