Learn the Issues
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Project Waiver of AIS Requirements for Stainless Steel Swing Check Valve for Dover, New Hampshire (CWSRF)
AIS waiver request approval.
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Clean Water State Revolving Fund (CWSRF): Source Water Protection
CWSRF Source Water Protection Factsheet
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Project Waiver of AIS Requirements for Stainless Steel Backing Rings for Charlotte County, Florida (CWSRF)
AIS waiver request approval.
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1980s and 1990s Tribal Policy and Guidance
Find EPA policies and guidance on underground storage tanks (USTs) and leaking underground storage tanks (LUSTs) on tribal lands.
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Brownfields and Land Revitalization in EPA Region 9
This page provides information specific to EPA's Brownfields activities in the Pacific Southwest (Region 9) covering Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal nations.
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Volcanoes
Ways to prepare for or respond to volcanoes and related health or environmental problems.
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Veolia Sauget 2023 Title V Permit Renewal Application
Veolia owns and operates a hazardous waste treatment, storage, and disposal facility in Sauget, Illinois.
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AVERT Overview
AVERT Overview
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Information for Individuals with Limited English Proficiency
Access selected content in Spanish (espanol), Vietnamese (Tieng Viet), Korean, Chinese (simplified or traditional), Arabic, Haitian Creole, Portuguese, Russian, Tagalog. Content is usually about emergencies.
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Learn about Polychlorinated Biphenyls
PCBs are a group of man-made organic chemicals consisting of carbon, hydrogen and chlorine atoms
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Supplemental Submittal for Eligibility under Sections 105 and 505(a)(2) of the Clean Air Act
The EPA is currently reviewing Keweenaw Bay Indian Community's Application for Treatment as a State Status under the Clean Air Act.
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Healthy School Environments
Key topics about establishing and enhancing healthy school environments.
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Risk Evaluation for o-Dichlorobenzene
EPA designated o-dichlorobenzene as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for p-Dichlorobenzene
EPA designated p-dichlorobenzene as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for Phthalic Anhydride
EPA designated phthalic anhydride as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta [g]-2-benzopyran (HHCB)
EPA designated 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta [g]-2-benzopyran (HHCB) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.