Laws & Regulations
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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.
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Requirements for In-Use Emissions Testing for Clean Diesel Technology
In-use testing is used to verify the field performance of products that are on the List of Verified Technology.
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Aerodynamic Wind Tunnel Testing for SmartWay Verification
This document provides information on the wind tunnel test method used for SmartWay verification of aerodynamic devices.
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Emission Trading Results
A summary of the results of emissions trading programs since the start of the Acid Rain Program in 1990.
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Proposed State Budgets under the Proposed Supplemental Interstate Transport Rule
Proposed State Budgets under the Proposed Supplemental Interstate Transport Rule
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Personal Social Media and the Hatch Act for Lesser Restricted Employees
Learn about what the hatch act saying about Lesser Restricted Employees managing their personal social media accounts during a lapse of appropriations (shutdown).
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Regulatory Impact Analysis for the Review of the Clean Power Plan: Proposal
Regulatory Impact Analysis for the Review of the Clean Power Plan: Proposal
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Personal Social Media and the Hatch Act for Further Restricted Employees
Learn about what the hatch act saying about Further Restricted Employees managing their personal social media accounts during a lapse of appropriations (shutdown).
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EPA announces $48 million for southeastern states to repair water systems impacted by Hurricane Helene
EPA announces $48 million for southeastern states to repair water systems impacted by Hurricane Helene
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Does EPA Invalidate RINs?
No. The EPA has no process to “invalidate” RINs. Rather, the EPA alleges that RINs are not valid according to the standards in 40 C.F.R. §§ 80.1131 or 80.1431. As we stated in our March 2012 Interim Enforcement Response Policy: The EPA intends to notify the regulated community that it has alleged…
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Does EPA have a role in ensuring the validity of Renewable Identification Numbers (RINs)?
The Renewable Fuels Standard (RFS) regulations are clear that invalid RINs may not be used for compliance. EPA does not certify or otherwise validate RINs. In providing regulated parties with the flexibility of purchasing RINs to meet RFS requirements, EPA stated that the buyer must beware.