Science & Technology
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Environmental Measurements and Modeling
Environmental measurement is any data collection activity involving the assessment of chemical, physical, or biological factors in the environment which affect human health. Learn more about these programs and tools that aid in environmental decisions
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Evaluation Program for Aftermarket Retrofit Devices
EPA conducts a voluntary program to evaluate aftermarket devices and fuel additives that manufacturers claim will improve fuel economy and/or reduce exhaust emissions for passenger cars and trucks.
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Photochemical Assessment Monitoring Station (PAMS) Instrument Training (2016 NAAMC)
PAMS instrument training to support re-engineered PAMS program.
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Air Toxics Monitoring QA Reports
This page contains Quality Assurance reports and associated documents for the Air Toxics monitoring program.
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Networks, Partners, and Programs
AMTIC Other Networks, Partners, and Programs
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AMTIC - PM Supersites
Background information and reports from the PM Supersite program.
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2020 Community-Scale Air Toxics Ambient Monitoring (CSATAM) Grant Information
Information on 2020 Community-Scale Air Toxics Ambient Monitoring Grants competition information sessions.
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Photochemical Assessment Monitoring Stations (PAMS) Data Validation and Analysis Training Material
Photochemical Assessment Monitoring Stations (PAMS) Data Validation and Analysis Training Material
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2011 Air Toxics Data Analysis Workshop
Copies of the presentations at the 2011 Air Toxics Data Analysis Workshop
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Ambient Air Monitoring Network Assessment Guidance Documents
Tools and guidance documents to assist states in completing network assessments
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Generic Lead (Pb) Federal Equivalent Methods (FEMs) and SOPs
Generic Pb FEM SOPs
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National PM2.5 Performance Evaluation Program
Information on the NPAP program for PM2.5
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Near Road Monitoring
Information on the near road monitoring network
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Community-Scale Air Toxics Ambient Monitoring (CSATAM)
Webpage for the PAMS monitoring network containing information on background, methods, QA, and other resources.
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Gamma-Gamma Density Logging
Gamma-Gamma Density Borehole Logging
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Integrated Risk Information System
EPA's Integrated Risk Information System (IRIS) is a human health assessment program that evaluates information on health effects that may result from exposure to environmental contaminants.
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Dioxin
This site contains all of EPA's information on the chemical known as 2,3,7,8-tetrachlorodibenzo-p-dioxin, which is more commonly referred to as "dioxin."
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Air Emissions Inventories
This site provides access to emissions data, regulations and guidance, electronic system access, resources and tools to support trends analysis, regional, and local scale air quality modeling, regulatory impact assessments.
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RFC 24002 - Nitrate and Nitrite in Drinking Water
Data quality problems with USEPA nitrate and nitrite RfDs and MCLs
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Follow Up to Appeal to RFC: Federal Data Quality Act Petition Against Further Dissemination of 'Climate Action Report 2002
Submitted by Competitive Enterprise Institute