Learn the Issues
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EPA Takes Action to Protect Human Health and the Environment by Proposing Cancellation of Pentachloronitrobenzene
EPA has taken action to Protect Human Health by Proposing Cancellation of Pentachloronitrobenzene.
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EPA Responds to Treated Seed Petition
U.S. Environmental Protection Agency (EPA) has issued a response to a petition filed by the Center for Food Safety (CFS) on behalf of beekeeper, farmer, and public interest groups.
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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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EPA in Arizona
Portal for news and information about EPA's efforts and environmental conditions in Arizona.
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EPA in Hawai'i
Portal for news and information about EPA's efforts and environmental conditions in Hawai'i.
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EPA in the Pacific Islands
Information about EPA's efforts and environmental conditions in American Samoa, Commonwealth of the Northern Mariana Islands (CNMI), Guam, Federated States of Micronesia, the Republic of the Marshall Islands, Republic of Palau, U.S. Minor Outlying Islands.
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Microbial Commercial Activity Notices (MCANs) Table
This page describes what happens to a premanufacture or exemption notice that is submitted to the EPA.
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Consider a SmartWay Vehicle
Learn about SmartWay certified vehicles, the cleanest, most efficient vehicles on the road.
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2017 EnviroFlash Announcements about EPA Fuel Programs
2017 EnviroFlash announcements from the EPA Fuel Programs.
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2018 EnviroFlash Announcements about EPA Fuel Programs
2018 EnviroFlash announcements from the EPA Fuel Programs.
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2019 EnviroFlash Announcements about EPA Fuel Programs
2019 Recent EnviroFlash announcements from the EPA Fuel Programs.
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2020 EnviroFlash Announcements about EPA Fuel Programs
2020 EnviroFlash announcements from the EPA Fuel Programs.
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2022 EnviroFlash Announcements about EPA Fuel Programs
2022 EnviroFlash announcements from the EPA Fuel Programs.
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2021 EnviroFlash Announcements about EPA Fuel Programs
2021 EnviroFlash announcements from the EPA Fuel Programs.
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2023 EnviroFlash Announcements about EPA Fuel Programs
2023 EnviroFlash announcements from the EPA Fuel Programs.
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2024 EnviroFlash Announcements about EPA Fuel Programs
2024 EnviroFlash announcements from the EPA Fuel Programs.
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2025 EnviroFlash Announcements about EPA Fuel Programs
2025 EnviroFlash announcements from the EPA Fuel Programs.
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25MS00001- Notice of Proposed Issuance of National Pollutant Discharge Elimination System Permit MS0043460 for the Crystal Ridge Wastewater Treatment Facility and Clean Water Act Section 401 Water Quality Certification
The U.S. EPA, Region 4 intends to issue an NPDES permit under the authority of Title 40 of the Code of Federal Regulations Part 122 to the Mississippi Band of Choctaw Indians and is requesting CWA Section 401 water quality certification.
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Radionuclides
Information about radionuclides and links to additional information about specific radionuclides.
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Explore Outdoor Sources of Radiation
Learn about the radiation sources you may encounter in everyday life.