Laws & Regulations
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Fact Sheet: Protection of Stratospheric Ozone: New Listings for the Significant New Alternatives Policy Program in the Refrigeration & Air Conditioning Sector
This is determination of acceptability (Notice 35) expands EPA’s SNAP list of acceptable substitutes, providing industry with more options in the refrigeration and air conditioning sector. It also clarifies the types of equipment included in the refrigerat
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Fact Sheet: Proposed Rule 24 - Listing of HFO-1234yf under the Significant New Alternatives Policy Program for Motor Vehicle Air Conditioning in Nonroad Vehicles and Servicing Fittings for Small Refrigerant Cans
Under section 612 of the Clean Air Act, EPA reviews substitutes within a comparative risk framework.
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Endangered Species Act Implementation in Pesticide Evaluation: Interim Report to Congress
This report describes how EPA and the Services are implementing the National Academy of Sciences report on ESA and pesticide assessment.
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How EPA Regulates Drinking Water Contaminants
This page describes the EPA's methods and processes of regulating contaminants in drinking water.
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Where do I find more information about the environmental regulation for farms or ranches?
For information about EPA’s environmental regulations related to agriculture please visit the Agency’s Web site for Regulatory and Other Agriculture Related Resources from Federal, State, and Local Sources .
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December 2019 - Proposed Revisions to Testing Regulations for Air Emission Sources
December 2019 - Proposed Revisions to Testing Regulations for Air Emission Sources
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December 2019 - Fact Sheet - Proposed Test Method updates
December 2019 - Fact Sheet - Proposed Test Method updates
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Method 19 - Sulfur Dioxide Removal and Particulate, Sulfur Dioxide and Nitrogen Oxides from Electric Utility Steam Generators
CFR Promulgated Test Method 19 Determination of sulfur dioxide removal efficiency and particulate, sulfur dioxide and nitrogen oxides emission rates.
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Method 323 - Formaldehyde Measurement Using Derivitization
Promulgated CFR Test Method 323—Measurement of Formaldehyde Emissions From Natural Gas-Fired Stationary Sources—Acetyl Acetone Derivitization Method
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PotlatchDeltic Land and Lumber LLC, St. Maries Complex - Title V Air Quality Operating Permit
Title V air operating permit issued to PotlatchDeltic Land and Lumber LLC for its wood products facility located in St. Maries, Idaho on the Coeur d'Alene Reservation.
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Results using EPA’s Power Sector Modeling Platform v6 - May 2018
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Analysis of the Revised Cross-State Air Pollution Rule Update
IPM analyses of the Revised Cross-State Air Pollution Update Rule.
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Analysis of the Proposed Revised Cross-State Air Pollution Rule Update
IPM analyses of the Revised Cross-State Air Pollution Update Rule.
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IPM Run Files for Supporting Scenarios
Download Integrated Planning Model (IPM) run files for the scenarios supporting development of the Clean Power Plan.
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Results using EPA’s Power Sector Modeling Platform v6 - May 2019 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Best Practices
Guidance and best practices for practitioners who are considering implementation of an emissions trading program.
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Key Terms
Definitions of common terms in emissions trading.
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Emissions Trading Programs
Emissions trading programs including both EPA and state and regional programs.
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About Green Infrastructure
Green infrastructure may be used to comply with CWA requirements, treat stormwater, improve water quality, and mitigate flooding while also beautifying our communities.