Laws & Regulations
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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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Rainfall Erosivity Factor Calculator
A calculator for determining if small construction projects can obtain a waiver from NPDES stormwater permitting.
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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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Safe Drinking Water Information System
This page contains basic information, links, and tools related to the safe drinking water information system.
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2016 TRI National Analysis Dioxin and Dioxin-like Compounds and TEQ Data Files
Toxic equivalents (TEQs) allow for a better understanding of the toxicity of releases and waste management activities at facilities that report to the TRI Program.
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HSM Inspector Checklist Tool for Facilities Generating and Recycling Hazardous Secondary Materials (2024 Version)
HSM inspector checklist tool: This is a series of checklists that assist regulatory authorities with monitoring compliance of the definition of solid waste regulations in 40 CFR section 261.2 and the 2008 definition of solid waste exclusions.
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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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Water Quality Standards Regulations: Makah Indian Tribe
Information related to Water Quality Standards for Makah Indian Nation.
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Water Quality Standards Regulations: Navajo Nation
Information related to Water Quality Standards for Navajo Nation.
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Water Quality Standards Regulations: Yerington Paiute Tribe
Information related to Water Quality Standards for the Yerington Paiute Tribe.
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Priorities for Water Quality Criteria and Standards Programs FY 2017-2018
This document recommends priorities for states and authorized tribes as they plan WQS actions and updates in the upcoming two fiscal years. The document addresses new regulatory requirements in 40 CFR part 131 issued in August 2015.
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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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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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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