Science & Technology
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Conformity Adequacy Review: Region 10
Resources are for air quality and transportation government and community leaders. Information on the adequacy/inadequacy of state implementation plans (SIPs) in EPA Region 10 (AK, ID, OR, WA) is provided here.
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Stakeholder Webinar (Sept. 2021): Natural Gas & Petroleum Systems in the GHG Inventory
2021 GHGI September 2021 Webinar Supporting Materials
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Stakeholder Webinar (Sept. 2022): Natural Gas & Petroleum Systems in the GHG Inventory
2021 GHGI September 2021 Webinar Supporting Materials
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Greenhouse Gas (GHG) Emissions and Removals
Learn about key greenhouse gases and their sources, as well greenhouse gas emissions at the global, national, facility,and household level.
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EPCRA Milestones Through the Years
The Environmental Protection Agency marks 34 years since the passage of its federal Emergency Planning and Community Right-to-Know Act (EPCRA) as part of the reauthorization for Superfund in 1986.
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What is the CAMEO Software Suite?
The CAMEO software suite is a system of software applications used widely to plan for and respond to chemical emergencies.
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Annual Certification Data for Vehicles, Engines, and Equipment
This page provides certification data from various engine manufacturers for past and current model years
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Connect with WaterSense
WaterSense Toilets
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Port Emissions Inventory Guidance
The Port Emissions Inventory Guidance: Methodologies for Estimating Port-Related and Goods Movement Mobile Source Emissions provides methodologies on how to develop port-related and goods movement emissions inventories.
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Microplastics Webinar Archive
This webinar, recorded on August 20, 2025, focused on microplastics, including microplastics research at EPA and microplastics resources developed by the Interstate Technology & Regulatory Council.
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Non-EPA Researcher Requirements
EPA's objective is to maximize, at no charge, access by the public to peer-reviewed scientific research journal publications or associated author manuscripts and their underlying digital data created in whole or in part with EPA funds
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Meet EPA Scientist Serena Chung, Ph.D.
Serena Chung is the Extramural Research Lead for EPA’s Air, Climate, and Energy (ACE) Science to Achieve Results (STAR) extramural research program. Prior to joining to the EPA, she was a research professor in the Laboratory for Atmospheric Research at Was
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In The Field with EPA: EPA Networking Program Leads to Eelgrass Sampling in New Jersey
EPA scientists and partners have been exploring eelgrass restoration and protection.
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Meet EPA Researcher Molly Wick
EPA researcher Molly Wick is a student trainee studying cultural ecosystem services associated with surface water resources in the Great Lakes.
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EPA Researchers Develop Tool That Predicts How Organic Chemicals Transform in Different Environments
Ever wonder how and why chemicals change in different environments? To better assess risk from chemical exposures, EPA scientists developed the Chemical Transformation Simulator (CTS).
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In the Field with EPA: Seagrass Sampling to Expand a Nutrient Pollution Indicator
EPA is working with partners in Puerto Rico on a new project to evaluate the potential applicability of a nutrient pollution indicator for tropical seagrasses that could ultimately help states protect them.
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EPA Researchers Develop New Air Monitoring Technology to Understand Leaks and Irregular Emissions from Sources
One research initiative is looking at “fugitive emissions” which are difficult to measure and model because they escape through leaks, industrial processes, and other industrial activities making them hard to track.
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Stormwater Modeling to Prepare for Biological and Radiological Emergencies
EPA researchers developed models of three cities to track and quantify washoff of biological agents following a mock explosion of a radiological dispersal device.
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National Lakes Assessment
The National Lakes Assessment is a collaborative, statistical survey of the nation's lakes. It is one of four national surveys that EPA and its partners conduct to assess the condition and health of the nation's water resources.
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Virtual Beach: A Modeling Tool to Help Make Beach Closure Decisions
Beach managers need fast ways to determine when pollution makes beaches unsafe for swimming and need to be closed.