Laws & Regulations
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The Navigable Waters Protection Rule - Supporting Documents
Economic Analysis and Resource Programmatic Assessment document links in support of the 2020 revised definition of "waters of the United States"
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Notice of Public Meetings Regarding “Waters of the United States”
Link to the pre-publication version of the Federal Register notice announcing public meetings on the intention to revise the definition of "waters of the United States."
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Heavy-Duty Highway Diesel (Compression Ignition) Engines (>8,500 Pounds GVWR): Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Heavy-Duty Highway Diesel (compression ignition) Engines (>8,500 pounds GVWR).
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Heavy-Duty Highway Gasoline (Otto-cycle/Spark Ignition) Engines (>8500 Pounds GVWR): Family Naming Conventions
How to create Positions 5-12 of your Engine Family name for Heavy-Duty Highway Gasoline (otto-cycle/spark ignition) Engines (>8500 pounds GVWR).
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History of Fuel Economy Labeling
Fuel economy labeling, history and trends of fuel economy, testing and data, and information on how federal agencies work together on the issue of fuel economy.
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Manufacturer Contact List for Clean Diesel
This list provides contact information for manufacturers and organizations of technologies that are on EPA's Verified Technologies List for Clean Diesel.
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Proposed Renewable Fuel Standards for 2023, 2024, and 2025
EPA proposes an alternative schedule for small refineries to demonstrate compliance with their 2020 RFS obligations.
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Learn What Information You’ll Find in this Website and Who To Contact
See the changes made to the new website for renewable fuel standard programs including regulations, developed by EPA, in collaboration with refiners, renewable fuel producers, and many other stakeholders.
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Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and other Amendments – Proposed Rule
EPA propose to Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and other Technical Amendments.
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Petitions for Reconsideration of SAFE-1 Submitted to EPA
Petitions for Reconsideration of SAFE 1 Submitted to EPA
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Designation of the U.S. Caribbean Emission Control Area for Marine Vessels
Materials related to MARPOL Annex VI Designation of the U.S. Caribbean Emission Control Area for Marine Vessels
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Revised Federal Transit Authority Procedures for a Conformity Lapse
This document contains information regarding two revisions that must be made to certain provisions in the EPA's transportation conformity regulations due to a court ruling.
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EPA Policy Towards Privately-Owned Formerly Used Defense Sites
EPA is issuing this policy to the Regions in order to clarify the Agency's role at privately-owned formerly used defense sites.
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UIC Permit: PAS2D010BVEN
Stonehaven Energy underground injection control permit
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Hannahville Indian Community Wastewater Treatment Plant NPDES Permit MI-0057366-4
public notice documents for npdes permit in menominee county, NPDES Permit MI-0057366-4
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PRIA Overview and History
pria fees
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Paying PRIA Application Fees
pria fees
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Plant-Incorporated Protectant (PIP) Fee Issues
Information about plant-incorporated protectants (PIPs) PRIA registration fee issues.
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Guidance on IR-4 Exemptions
Information and guidance about inter-regional project 4 (IR-4) registration fee exemptions.
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Actions Not Covered by PRIA Registration Service Fees
Information about the types of registration applications that are not subject to the decision time review periods and registration service fee requirements of PRIA.