Science & Technology
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EPA is Moving Towards the Future of Chemical Assessments with New Approach Methods
EPA scientists are continuing to advance chemical safety research with the use of New Approach Methods. These methods provide information on chemical hazard and risk assessment while avoiding the use of intact animals.
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The Burden of Air Pollution on the Heart
Air pollution can take a significant toll on the cardiovascular system. In a recent article, EPA researchers discuss strategies to reduce exposure and the health effects of air pollution.
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2020 Science Matters Stories
Check out EPA Science Matters newsletter stories written in 2020.
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EPA’s Dr. Johanna Nyffeler Awarded 2020 Young Researcher Lush Prize for Efforts to Limit Animal Testing
EPA Postdoctoral grantee Dr. Johanna Nyffeler, a computational toxicologist, is a Lush Prize 2020 Young Researcher winner.
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Chemical Speciation Network - Interlaboratory Performance Evaluation Comparison Results
Interlaboratory Performance Evaluation Comparison Results for CSN network
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EPA Releases Updated SeqAPASS – Version 5.0 – With Improved Functionality
EPA has released the fifth iteration of the Sequence Alignment to Predict Across Species Susceptibility (SeqAPASS) online tool, now equipped with improved functionalities that help users customize, interpret, and share SeqAPASS results.
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Integrated Approach Monitoring Strategy
Integrated Approach Monitoring Strategy
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Technical Resources and Studies
Technical Resources and Studies
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Standard Operating Procedures for Long Term Archiving of Filters in the Chemical Speciation Network (CSN)
This page contains a link to the Standard Operating Procedures for the long term archiving of CSN filters.
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Chemical Speciation Network - Parameters Reported to the Air Quality System (AQS)
This page includes measurements made in the chemical speciation network
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Chemical Speciation Network (CSN) - General Information
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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Standard Operating Procedures for the Analysis of Ions in Chemical Speciation Network (CSN) Samples
Standard Operating Procedures (SOP) for the analysis of ions in Chemical Speciation Network (CSN) samples
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Standard Operating Procedures for the Analysis of Carbon in Chemical Speciation Network (CSN) Samples
Quality Assurance Project Plan for CSN
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Standard Operating Procedures for Data Validation and Reporting of Chemical Speciation Network (CSN) Data
Standard Operating Procedures (SOP) for data validation and reporting of Chemical Speciation Network (CSN) data
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Standard Operating Procedures for the Determination of Filter Light Absorption in Chemical Speciation Network (CSN) Samples
Standard Operating Procedures for the Determination of Filter Light Absorption in Chemical Speciation Network (CSN) Samples
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Standard Operating Procedures for the Analysis Chemical Speciation Network (CSN) Samples using X-ray Fluorescence (XRF)
Standard Operating Procedures (SOP) for the analysis Chemical Speciation Network (CSN) samples using XRF
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EPA Regional Contacts for Water Reuse
List of individuals serving as water reuse contacts for their EPA Region.
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Understanding How Environmental Factors Affect Children’s Asthma
Research from the NIEHS/EPA children’s centers has increased understanding of what factors heighten asthma and what can be done to help children maintain a normal quality of life.
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Archives of Fast Facts: U.S. Transportation Sector Greenhouse Gas Emissions
This page contains archives of Fast Facts: U.S. Transportation Sector Greenhouse Gas Emissions.
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EPA Emission Standards for Light-Duty Vehicles and Trucks and Motorcycles
This page contains links to reference information for the Federal Emissions Standards of light-duty vehicles and engines.