About EPA
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About the Science Policy Division
Mission, organization, and contact information for EPA's Science Policy Division within the Office of Science Advisor, Policy and Engagement, part of the Office of Research and Development
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Senior Leaders' Calendars
EPA Senior Officials' recent calendars showing date, time, and title.
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Calendar for Usha-Maria Turner, Assistant Administrator for the Office of International and Tribal Affairs
View a simplified calendar of Usha-Maria Turner, Assistant Administrator for the Office of International and Tribal Affairs
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About the Office of External Affairs
Mission, organization, and contact information for OEA, the primary office for all EPA communications and public outreach.
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Tribal Consortia in Region 10
This page describes activities tribal consortia can undertake under GAP.
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Winter 2026 RTOC Meeting
Save the dates for the upcoming Winter 2026 RTOC and refer to the draft agenda for more information.
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Simplified Senior Leader Calendars on the Web
Guidance about simplified EPA senior leader calendars.
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FY 2016 Agency Financial Report
Contact Us to ask a question, provide feedback, or report a problem.
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Evaluating EPA's Programs
This site explores internal program evaluations at the EPA and provides guides for conducting evaluations at other government agencies.
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Region 7 Tribal Program
EPA resources for federally-recognized tribes within [add state list]
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Regulatory Actions for Technology Transitions
Rules and notices under subsection (i) of the AIM Act
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2017 Federal Green Challenge Award Winners in the Pacific Southwest Region
2017 Federal Green Challenge (FGC) Award Winners in EPA's Pacific Southwest, Region 9.
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Measuring Progress at Hazardous Waste Cleanups
Explains what environmental indicators are and how EPA measures the intermediate success of the program using environmental indicators and other measures that mark progress.
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Tribal Clean Water Section (WTR-3-1) Project Officer and Tribal Liaison Assignments
This list provides contact information for EPA Pacific Southwest (Region 9) Tribal Clean Water Section Project Officer and Tribal Liaison Assignments and Lead Roles.
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Pacific Southwest (Region 9) Media Center
News media, state and local officials, and others can find press releases, media events and contacts in EPA's Pacific Southwest. Additional resources include newsletters, annual reports, and library services that support regional activities.
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October–December 2025 Newsletter
Check out our final newsletter of the year for information on recent removal actions to support cleaner land and water, keeping communities safe from hazardous waste, progress at the Tijuana River watershed and more.
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New Chemicals and Pollution Prevention Efforts
This page discusses EPA pollution prevention programs that tie in to the New Chemicals program as well.
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Final List of Fee Payers for 20 Risk Evaluations Initiated in December 2019
This page contains the final list of businesses subject to fees for the 20 chemicals designated as high priority for risk evaluation under the Toxic Substances Control Act (TSCA).
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EPA in Arkansas
Portal for news and information about EPA's efforts in Arkansas and AR environmental conditions.
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Update on EPA’s Progress for Implementing the Pesticide Registration Improvement Act of 2022
The EPA announced the Agency's progress on deliverables under the Pesticide Registration Improvement Act of 2022 (PRIA 5).