Announcements and Schedules
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BOSC Executive Committee Meeting January 27 & February 11, 2021
BOSC EC meeting January 2021
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January 6, 2017 - EPA and California Air Resources Board Approve Remedy to Reduce Excess NOx Emissions from Generation 3 2.0-Liter Diesel Vehicles
On January 3, 2017, EPA and CARB approved a remedy proposed by Volkswagen that will reduce the excess NOx emissions from the Generation 3 diesel 2.0 liter vehicles.
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Coal Mine Methane Related Events
News and Events
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SERC-TERC Update: February 2023
SERC-TERC Update: February 2023
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SERC-TERC Update: January 2023
SERC-TERC Update: January 2023
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SERC-TERC Updates: April 2025
April SERC newsletter
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Technical Assistance at the Colonial Creosote Superfund Site in Louisiana
Details about the public meeting on April 9, 2026, to provide information about technical assistance opportunities for the community living near the Colonial Creosote Superfund site in Bogalusa, Louisiana.
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Federal Human Health Criteria for Washington State Waters
On November 14, 2022, EPA signed a rule to restore the protective and science-based federal human health criteria (HHC) for the state of Washington’s waters.
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Withdrawal of the Proposed Rule Tribal Baseline Water Quality Standards
On December 20, 2024, the EPA Administrator signed the withdrawal of the proposed rule entitled “Federal Baseline Water Quality Standards for Indian Reservations,” which published in the Federal Register on May 5, 2023.
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Public Hearing on EPA’s Proposed Amendments to the Bulk Gasoline Terminals NESHAP Review
public hearing registration
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August 2021 Agenda - Public Meeting Series to Inform Potential Revisions to Microbial and Disinfection Byproducts Rules
Agenda for Microbial and Disinfection Byproducts August 2021 Meeting
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First Clean Air Act Benefits and Costs Prospective Study - Press Release November 16, 1999
The economic value of the public health and environmental benefits that Americans enjoy from the Clean Air Act Amendments of 1990 exceed their costs by a margin of four to one, according to this EPA study released in 1999.
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Public Hearing on EPA's Proposed Carbon Pollution Standards for Fossil Fuel-Fired Power Plants
Information about the public hearing for the propopsed carbon pollution standards for fossil-fuel fired power plants.
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Photos of the 2018 P3 Student Teams
Photos of the 2018 P3 Expo Student Teams with links to their abstracts
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February 15, 2023 HSRB Meeting
HSRB Meeting
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Public Forum Addressing GHG Emissions from Existing Natural Gas-Fired Power Plants
information and registration link for public policy forum
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Public Hearing: Proposed Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act
public hearing registration form for EPA's proposal for Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act
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Public Hearing on EPA's Proposed Determinations for Whether Certain Areas Met the 2008 and 2015 Ozone Standards
registration information for public hearing on EPA 2008 and 2015 Ozone NAAQS determinations of attainment for certain areas.
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Federal Register Notice for Agency Information Collection Activities: Requirements for Generators, Transporters, and Waste Management Facilities under the Hazardous Waste Manifest System
A Federal Register Notice (FRN) announcing EPA’s intent to submit the e-Manifest ICR to OMB for review and approval was published on February 8, 2019.
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Region 4 Regional Conferences
2019 Regional Conferences in region 4