Science & Technology
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Sample Collection Procedures and Strategies
Individuals responsible for collecting environmental and building material samples following a contamination incident, can use these procedures to plan for and/or collect samples for analysis using the analytical methods listed in EPA's SAM
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SAM 2022 Chemical Sample Prep Method Summary
Selected Analytical Methods.
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Air Emissions Modeling
The site documents and makes available the Agency's latest emissions inventory data formated for use in temporal, spatial, and speciation emissions modeling.
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EPA Request for Correction 12004 (Exhibit E1)
EPA Request for Correction 12004 (Exhibit E1)
California Department of Health: Annual Compliance Report 2009
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EPA Assessments of Stormwater Programs in the Chesapeake Bay Watershed
This page provides the EPA evaluation documents of Delaware, Maryland, Pennsylvania and Virginia's Stormwater Programs.
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Urban River: Merrimack River
Information on the efforts of the US EPA, the Commonwealth of Massachusetts, the municipalities within the Merrimack River and nongovernmental organizations to improve the water quality of the Merrimack River.
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Air Quality System (AQS)
The Air Quality System (AQS) is EPA's repository of ambient air quality data. AQS stores data from over 10,000 monitors, 5000 of which are currently active.
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Ambient Monitoring Technology Information Center (AMTIC)
This site contains information on ambient air quality monitoring programs, monitoring methods, quality assurance and control procedures, and federal regulations related to ambient air quality monitoring.
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Anaerobic Digestion (AD)
Inform visitors about the science of AD, the environmental and economic benefits that can be realized through AD projects, and direct visitors to appropriate regulatory information, feasibility tools and technical resources from related EPA programs.
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Hazardous Waste Electronic Manifest System Advisory Board Meeting – “Roadmap to 100% Electronic Manifests” – October 4-6, 2022
Includes agenda, board roster, presentation, charge questions, background paper and advisory board meeting transcript.
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Electronic Manifest Public Meetings
draft text
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Energy Case Studies
Tips and resources for meeting Federal Green Challenge energy goals.
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Individual Lagoon Tool for Supporting Ammonia WQS Variances
The Individual Lagoon Tool is a screening-level economic analysis tool to help determine whether a water quality standards variance for ammonia based on “substantial and widespread economic and social impacts” may be appropriate.
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West Africa Drinking Water Laboratory Capacity Program: Quality Assurance Manual
This Laboratory Quality Assurance Manual documents the Quality Assurance Programme and activities in Ghana Water Company Limited. This manual was one of the outcomes from the West Africa Drinking Water Laboratory Capacity Program,
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Southwest Jefferson County Mining Superfund Site, OU-4 - Big River and Floodplain, Jefferson County, Missouri - Fact Sheet, December 2016
EPA Region 7 to Host Public Availability Session
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Big River Mine Tailings National Priorities List (NPL) Superfund Site, St. Francois County, Missouri - Fact Sheet, October 2017
EPA Conducting Remedial Action for Residential Soils
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2023 NEI Supporting Data and Summaries
Explains the sources of information in the inventory; show what sources of data used for each sector; and provide more information about the components.
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Designation and NAAQS Information Related to 8-Hour Ozone (2015)
Designation and NAAQS Information Related to 8-Hour Ozone (2015)
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Summary of Alabama's Water Reuse Guideline or Regulation for Landscaping
Alabama (State Regulation) | Source water: Treated municipal wastewater | End use: Landscaping