Science & Technology
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Nutrients Research
Research at EPA provides innovative solutions to address the problem of nitrogen and phosphorus (nutrient) pollution in the nation's air, water and land.
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America's Children and the Environment
America's Children and the Environment is EPA's report presenting national indicators and related information on the environment and children's health.
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Webinar Slides for the Cleaner Indoor Air During Wildfires Challenge
Slides for the launch webinar for the Cleaner Indoor Air During Wildfires Challenge, providing background information on the problem of wildfire smoke indoors and the parameters of the competition for participants.
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Build Your Own Particle Sensor
EPA researchers participate in educational outreach to schools, museums and other locations to teach children about air quality and climate change research. As part of the outreach, researchers have developed several hands-on activities for teachers.
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US EPA Region 5 summary remarks of airborne manganese Health study in Ohio adults – preliminary results
Presentation given at a community meeting providing information and preliminary resulsts of an EPA health study of airborne manganese exposure in East Liverpool, Ohio.
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CHAD User's Guide: Extracting Human Activity Information from CHAD on the PC
User manual that includes tutorials, what's inside the CHAD databases, background on individuals studies in CHAD, using data form individual studies, caveats, problems, notes, and database design and development.
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Engineering Technical Support Center (ETSC)
ETSC is EPA’s technical support and resource centers responsible for providing specialized scientific and engineering support to decision-makers in the Agency’s ten regional offices, states, communities, and local businesses.
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Mobile Source Emission Factors Research
This page contains information on mobile source emission factors research being conducted by EPA's Office of Transportation and Air Quality, Data and Testing Center.
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Sources Of Toxicity Values For Constituents Of Motor Fuels Relevant To Leaking Underground Storage Tank Site Characterization And Risk Assessment
Review information on toxicity values, EPA guidance on selecting toxicity values, and other efforts for selecting toxicity values at hazardous waste and cleanup sites.
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Top Management Challenges for EPA and CSB
Top Management Challenges Reports issued by the Office of Inspector General
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Managing the Quality of Environmental Data at EPA Region 8
Information from Region 8 about managing the quality of environmental information
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FY 2025 U.S. Chemical Safety and Hazard Investigation Board Management Challenges
At a Glance, December 6, 2023. The OIG is required by statute to prepare an annual report summarizing what the OIG considers the “most serious management and performance challenges facing the agency.”
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Competitiveness Implications of Environmental Regulations: Case Studies (1992- 1997)
This collection of reports is part of a series of case studies designed to examine Michael Porter’s hypothesis that innovative companies responding to environmental regulation can create competitive advantage through lower costs or higher sales.
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Report: U.S. Chemical Safety and Hazard Investigation Board Fiscal Year 2025 Financial Statement Audit
U.S. Chemical Safety and Hazard Investigation Board Fiscal Year 2025 Financial Statement Audit
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Uncertainty and Variability
EPA ExpoBox 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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Bronx Harlem Gallery
Bronx Harlem gallery test page
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Urban Waters and the Western Lake Erie Basin near Toledo (Ohio)
This page provides background information on the Western Lake Erie Basin area one of the 18 Designated Urban Waters Locations.
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Program Contacts for Western Lake Erie Basin
This page has the contact information for people working with the Western Lake Erie Basin urban waters partnership location
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AMTIC - Ambient Monitoring Archive for HAPs
This page contains data for the Air Monitoring Archive