Learn the Issues
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July—August 2023 Newsletter
EPA Pacific Southwest (Region 9) Newsletter: See the newsletter for stories about our work responding to the wildfires on Maui, supporting the Red Hill Community Representation Initiative, cleaning up mines in Arizona, and more!
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EPA in Washington
Environmental information, public notices and hot topics in Washington
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January—February 2023 Newsletter
Check out our newsletter for stories about the Regional Administrator’s travels, addressing mercury contamination at a Superfund site, protecting public health in Hawai'i, the Bipartisan Infrastructure Law funding to protect drinking water, and more!
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March—April 2022 Newsletter
EPA's Pacific Southwest (Region 9) March–April 2022 Newsletter: Emergency Response in Hawaii, A New Regional Administrator, and More
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EPA Pacific Southwest Annual Progress Reports: 2002-2016
EPA's Pacific Southwest (Region 9) Annual Progress Reports from 2002 to 2016.
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2008 STORET/WQX Workshop for Tribes Presentations
STORET/WQX Workshop for Tribes (Workshop dates: November 18-19, 2008): Presentations and webinars
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Carbon Monoxide (CO) Pollution in Outdoor Air
Information on setting and implementing the outdoor air quality standards for carbon monoxide.
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R9UIC-CA1-FY15-2R: Hilmar Cheese Company, Hilmar, CA
Class I Non-hazardous Waste Injection Well Permit No. R9UIC-CA1-FY15-2R and appendices issued to Hilmar Cheese Company, Hilmar, California (Formerly CA10500001).
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R9UIC-CA1-FY23-1: Elk Hills Power LLC, Tupman, CA
Elk Hills Power LLC will construct 6 Class I injection wells that dispose of non-hazardous power plant wastewater into the Lower Tulare Formation within the Elk Hills Oil Field. The UIC permit authorizes continued injection by EHP for a 10-year term.
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Clean Water Act (CWA) Section 401 water quality certification request for Regional General Permit SAJ-116 in Indian Country where the Seminole Tribe of Florida does not have Treatment in a Manner Similar to a State
R4 EPA has received a request for CWA Section 401 water quality certification for the proposed Regional General Permit (RGP) SAJ-116 that would authorize a suite of emergency-related repairs and activities in waters of the United States in Florida.
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Brownfields Job Training Program Update – December 2024
Quarterly update that spotlights the Alaska Forum and St. Nicks Alliance brownfields job training initiatives, as well as essential resources for applying for federal funding.
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Brownfields Job Training Program Updates
Provides access to Brownfields Job Training Program newsletters
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Brownfields Job Training Grants
Information about Brownfields JT grants
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American Innovation and Manufacturing (AIM) Act Paperwork Reduction Act Burden Statement
AIM Act burden statement
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Summary of Refrigerant Reclamation Trends
U.S. EPA data on ODS and HFC reclaimed refrigerants by refrigerant type and year, from 2000 through 2023.
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Air Quality Management for International Audiences
This web area will describe the interconnected components of the air quality management system and provide links to additional information, tools, data, examples and resources.
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3Ts for Reducing Lead in Drinking Water
Revised 3Ts page
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Region 4 Outer Continental Shelf (OCS) Permitting Contacts
Region 4 OCS Permitting Contacts - EPA and External Agencies
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Eni US Outer Continental Shelf (OCS) Final Permit Documents
Eni US Operating Company Outer Continental Shelf (OCS) Final Permit Documents
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Eni US Outer Continental Shelf (OCS) Final Permit Modification #3 Documents
Eni US Operating Company Outer Continental Shelf (OCS) Final Permit Modification #1 Documents