Science & Technology
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EPA’s Portfolio of Human Health Science Assessments
This site provides human health science assessments and related resources. HHSAs are scientific documents that describe the impacts of environmental contaminants on human health.
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Tribal Science Council: Research and Resources to Support Tribes
EPA-ORD collaborates with Tribes via the Tribal Science Council to understand and address priority science issues. The site provides both EPA and Tribal information and resources, including tools, products, and relevant research of interest to Tribes.
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Scientific Integrity
EPA's Scientific Integrity Policy promotes scientific and ethical standards, including quality standards; communications with the public; the use of peer review and advisory committees; and professional development.
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Provisional Peer-Reviewed Toxicity Values (PPRTVs)
A PPRTV is a toxicity value used in the Superfund Program when such values aren't available from an IRIS assessment. PPRTVs are derived using the same general EPA Guidelines for risk assessments using an internal and external peer-review process.
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EPA Research Provides Important Information on Health Effects of Perchlorate Exposure
. EPA researchers published several papers that examine how maternal perchlorate ingestion in animal toxicity studies may alter the fetal thyroid system and the developing brain.
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Meet EPA Researcher Kiara Lech, Ph.D.
Dr. Kiara Lech is a biologist and works on oil spill research, including studies to understand oil biodegradation and on the ecological impacts of oil in freshwater ecosystems. Her team just completed the experimental portion of a crude oil exposure study
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Meet EPA Researcher Marie Schaefer, Ph.D.
Marie is an EPA social scientist researcher whose work focuses on how collaborations between Indigenous sciences and western sciences can contribute to sustainable futures. She has over a decade of experience working with Tribal nations across the U.S. on
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Meet EPA Social Scientist Marissa Matsler, M.E.M., Ph.D.
Marissa Matsler works on climate justice and resilience by studying uneven power relationships in urban adaptation planning and climate policy-making processes. Dr. Matsler is currently conducting case studies examining disaster waste and debris management
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Freshwater Explorer
EPA's Freshwater Explorer provides information about background and observed salt and mineral content for freshwater streams, lakes, and wells in all 50 U.S. states, Puerto Rico, and the U.S. Virgin Islands.
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Investigating for Possible Contamination in the East Avenue Study Area
Primary source of information of the EPA Erie Coke Corp Site Assessment: What Has Been Done, Current Status, Site Documents and Data, EPA Resources, Contacts, Photos, and FAQs. This information is available in translated languages.
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Underground Storage Tanks
Provides information about preventing and cleaning up releases from underground storage tanks.
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Environmentally Sensitive Maintenance for Dirt and Gravel Roads
This manual identifies, documents, and encourages the use of environmentally sensitive maintenance of dirt and gravel roads.
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CMAQ's Support of EPA's Mission
At federal, state, and local agencies, CMAQ is often used when developing regulatory policies because it represents the state-of-the-science in air quality modeling. See how CMAQ supports the EPA mission of protecting human health and the environment.
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Battery Collection in Action Case Study: The Lead-Acid Battery Collection Network
Learn the type of management tools you can use for assessment is sustainable electronics.
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Battery Collection in Action Case Study: Sparking Awareness for Battery Fire Prevention in Larimer County, Colorado
Learn the type of management tools you can use for assessment is sustainable electronics.
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EPA EcoBox Phases of ERA
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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Superfund and Technology Liaison Program
The Superfund and Technology Liaison (STL) Program was established to facilitate regional access to ORD laboratories, provide technical support, and assist with the integration of science and technology into decision-making for hazardous waste programs.
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Lead Service Line Replacement Program
Assist federally recognized Tribes within EPA Region 9 (CA, NV, AZ) to address lead service line replacement projects and associated activities directly connected to the identification, planning, design, and replacement of lead service lines.
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Testing for Lead in Drinking Water at Tribal Schools Project
The Testing for Lead in Drinking Water at Tribal Schools Project is a voluntary multi-agency effort to identify children’s facilities on tribal lands in EPA's Pacific Southwest with potential for lead in drinking water.
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EPA Pacific Southwest PFAS Tribal Drinking Water Sampling Project
The PFAS Tribal Drinking Water Sampling Project is a voluntary sampling effort that is offered to all public water systems (PWS) on Tribal lands in EPA’s Pacific Southwest Region (Region 9).