Science & Technology
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Chemical Speciation Network (CSN)
This is the homepage for EPA’s PM2.5 Chemical Speciation Network (CSN). The CSN is an ambient monitoring network comprised of the Speciation Trends Network (STN) and supplemental sites.
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2023 Air Sensors Quality Assurance Workshop
Landing page for the 2023 Air Sensors QA Workshop
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2005 Air Toxics Data Analysis Workshop
Copies of the presentations at the 2005 Air Toxics Data Analysis Workshop
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Final Acrolein Method Development Report
Final Acrolein Method Development Report and Appendix A SOP
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Massachusetts - 2017 Annual Network Plan
Network plan provides framework for establishment and maintenance of air quality surveillance system for the state of Massachusetts.
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Air Toxics Methods Documents
This page contains links to associated documents linked to on main Air Toxics monitoring page.
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PM2.5 Monitoring Network - Documents
Files for the PM2.5 Monitoring Network Page
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Photochemical Assessment Monitoring Stations (PAMS) - Model Quality Assurance Project Plan
This guidance and the following two attachments represent templates for consideration for implementation plans for the (1) Required Monitoring Network PAMS site and (2) for the EMPs required for moderate or higher nonattainment areas
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2014 National Emission Inventory (NEI) Report
Analysis of the NEI and comparison to previous years of inventory data.
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Certified Drinking Water Labs Located in Region 1
View spreadsheets of laboratories located in New England that are certified by New England states to test drinking water contaminants.
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Frequent Questions about the Chesapeake Bay TMDL
This page provides answers to frequent questions regarding the Chesapeake Bay TMDL and its development.
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Quality Assurance Handbook and Toolkit for Participatory Science Projects
This Handbook is targeted to organizations that are starting or growing a citizen science project, and where transparency in the scientific methods for collecting the data are central to the outcome of the project.
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Ecosystem Services at Contaminated Site Cleanups
Engineering Forum Issue Paper on Ecosystem Services
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In Situ Thermal Treatment Technologies: Lessons Learned
The purpose of this paper is to convey useful information gained from approximately 10 years of development and deployment of in situ thermal treatment (ISTT) technologies.
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Sustainable Materials Management in Site Cleanup
In 2006, the management of materials accounted for 42% of the United States’ greenhouse gas (GHG) emissions, based on a systems analysis (U.S. EPA; 2009). The systems view of materials management represents U.S. emissions related to the...
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Online Hazardous Waste Cleanup Technical Resources
This issue paper is intended to give the reader examples of some online technical resources that can assist with hazardous waste cleanups in the Superfund, Resource Conservation and Recovery Act (RCRA), and Brownfields programs.
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In Situ Treatment Technologies for Contaminated Soil: Engineering Forum Issue Paper
This issue paper provides summary information on a wide variety of in situ technologies for the treatment of contaminated soil in both the vadose zone and saturated and unsaturated zones.
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Introduction to Energy Conservation and Production at Waste Cleanup Sites
This issue paper, prepared by EPA's Engineering Forum under the Technical Support Project, provides an overview on the considerations for energy conservation and production during the design and (O&M) phases of waste cleanup projects.
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Proven Alternatives for Aboveground Treatment of Arsenic in Groundwater
This issue paper, developed for EPA's Engineering Forum, identifies and summarizes experiences with proven aboveground treatment alternatives for arsenic in groundwater, and provides information on their relative effectiveness and cost.
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Thermal Desorption Implementation Issues
This issue paper identifies issues and summarizes experiences with thermal desorption as a remedy for volatile organic compounds (VOCs) in soils.