Laws & Regulations
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Controlling Air Pollution from Oil and Natural Gas Operations
EPA regulations for the oil and natural gas industry help combat climate change and reduce air pollution that harms public health. EPA’s regulations apply to oil production, and the production, process, transmission and storage of natural gas.
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Options for Modernizing Public Hearings for Water Quality Standard Decisions Consistent with 40 CFR 25.5
Provides suggestions for states and WQS-authorized tribes on how they could modernize – that is, incorporate technologies into – their Water Quality Standards (WQS) public hearing process consistent with federal public hearing requirements at 40 CFR 25.5.
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Water Quality Standards: Establishment of Numeric Criteria for Priority Toxic Pollutants for the State of California (California Toxics Rule)
On May 18, 2000, the EPA promulgated numeric water quality criteria for priority toxic pollutants and other provisions for water quality standards to be applied to waters in the state of California.
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2025 Interim Final Rule to Extend Compliance Deadlines
Interim Final Rule and related 2025 Oil and Gas actions
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Tribal Consultation and Coordination on EPA’s Proposed Federal Baseline Water Quality Standards for Indian Reservations
On April 27, 2023, the EPA Administrator signed a proposed rule to promulgate federal baseline water quality standards (WQS) for waters on over 250 Indian reservations that do not have WQS in effect under the Clean Water Act (CWA).
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Petitions to the Office of Air and Radiation
Lists of petitions for rulemaking received by EPA's Office of Air and Radiation
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FACT SHEET: Overview of Final Updates to Air Emissions Requirements for New Residential Wood Heaters
Overview fact sheet explaining emission requirements and standards of performance for residential wood heaters
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Technical Information for Residential Wood Heater New Source Performance Standards
Technical documents related to New Source Performance Standards for Residential Wood Heaters
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Compliance Requirements for 1988 NSPS for Residential Wood Heaters
Compliance documents and test methods related to the 1988 Residential Wood Heater New Source Performance Standards (NSPS)
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FACT SHEET: Final Updates to Air Emissions Requirements for New Residential Wood Heaters: Changes Since Proposal
Fact sheet explaining the differences between the final NSPS for residential wood heaters and proposal
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Memo: Correction of Inadvertent Errors in the Standards of Performance
A memo outlining errors to the NSPS for residential wood heaters issued on Feb. 4, 2015
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Fact Sheet: Residential Wood Heaters: New Source Performance Standards
The U.S. Environmental Protection Agency (EPA) is finalizing amendments to the 2015 New Source Performance Standards for New Residential Wood Heaters, New Hydronic Heaters and Forced-Air Furnaces
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FACT SHEET: Summary of Requirements for Wood-fired Forced Air Furnaces
Fact sheet summarizing requirements for wood-burning forced-air furnaces under the NSPS for residential wood heaters
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FACT SHEET: Summary of Requirements for Wood-fired Hydronic Heaters
Fact sheet summarizing requirements for wood-fired hydronic heaters under the NSPS for new residential wood heaters
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FACT SHEET: Summary of Requirements for Woodstoves and Pellet Stoves
Fact sheet summarizing requirements for woodstoves and pellet stoves related to the NSPS for wood heaters
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Small Entity Compliance Guide for Residential Wood Heaters
Small entity compliance guide to help manufacturers, distributors and retailers of residential wood heaters comply with the new source performance standards
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Compliance Requirements for Residential Wood Heaters
Compliance information for woodstoves, pellet stoves, hydronic heaters and wood-fired forced air furnaces
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Regulatory Impact Analysis: Standards of Performance for New Residential Wood Heaters, New Residential Hydronic Heaters and Forced-Air Furnaces
Regulatory impact analysis for final NSPS for residential wood heaters, hydronic heaters and forced-air furnaces
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Proposed Amendments to the New Source Performance Standards for Residential Wood Heaters
Proposed Amendments to the New Source Performance Standards for Residential Wood Heaters
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Final Amendments to the New Source Performance Standards for Residential Wood Heaters
Final New Source Performance Standards for Residential Wood Heaters