Laws & Regulations
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NPDES Permit for Warm Springs National Fish Hatchery in Oregon
EPA's NPDES wastewater permit for the Warm Springs National Fish Hatchery in Oregon.
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Example Emissions Surveys and Implementation Plans for Controlling Fugitive Particulate Matter Under the FARR
Sample emission surveys and implementation plans for several types of air pollution sources regulated under EPA's Federal Air Rules for Reservations (FARR) in Idaho, Oregon, and Washington.
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NEJAC Recommendation Reports
The National Environmental Justice Advisory Council (NEJAC) provides advice and recommendations about broad, cross-cutting issues related to environmental justice, from all stakeholders involved in the environmental justice dialogue.
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NEJAC Meetings
The National Environmental Justice Advisory Council (NEJAC) provides advice and recommendations about broad, cross-cutting issues related to environmental justice, from all stakeholders involved in the environmental justice dialogue.
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Monitoring Regulations
Contains information regarding recent monitoring regulations for criteria pollutants
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What is GLWQA?
History and general summary of GLWQA.
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Extension of Stay of the RFG Program: parts of NY, PA, and ME
EPA extends the previous temporary stay of the reformulated gasoline program requirements in nine opt in counties in New York, in twenty-eight opt-in counties in Pennsylvania and in two opt-in counties in Maine.
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Recalls of Vehicles and Engines
n cases where EPA has determines that manufacturers have provided inaccurate, incomplete or falsified certification information or failed to keep required records, the Clean Air Act gives the EPA the authority to void certificates.
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Certification and Compliance for Onroad Vehicles and Engines
Certification and compliance information for passenger cars and trucks (light-duty), commercial trucks and buses (heavy-duty), motorcycles (light-duty).
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Port and Goods Movement Emission Inventories
Methodologies for Estimating Port-Related and Goods Movement Mobile Source Emission Inventories
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Announcements for FCA Violations
Announcements about EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to FCA. The NOV alleges software that circumvents EPA emissions standards for certain air pollutants.
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Streamlined Procedures for Opting Out of RFG Requirements
This page provides information on where these provisions are discussed in the Fuel Streamlining rule and provides the citation for the regulatory text, main focus is on the procedures as the apply to mandatory RFG areas.
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Streamlined Procedures for Relaxing the Federal 7.8 psi RVP Standard
This page discusses the new streamlined process that a state would use if it is seeking to have EPA relax the summertime Reid Vapor Pressure standard from 7.8 psi to 9.0 psi.
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Light- and Medium-Duty Proposed Standards for Model Years 2027 and Later
EPA proposes to set new, more ambitious emissions standards for light- and medium-duty vehicles for model year (MY) 2027 and later.
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Heavy-duty Greenhouse Gas “Phase 3” for Model Years 2027 and Later - Notice of Proposed Rulemaking
EPA proposes to set new, more ambitious emissions standards for heavy-duty vehicles for model year (MY) 2027 and later.
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Compliance Activity Reports for Vehicles and Engines
EPA uses a variety of testing and reporting programs to monitor compliance with emissions regulations.
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CSV Import Template for Heavy-Duty Vehicle GHG Averaging, Banking, and Trading (ABT)
Template for year-end reports under the Heavy-Duty Tractors and Vocational Vehicles greenhouse gas (GHG) ABT.
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System Documentation for Nonroad Compression-Ignition (NRCI) Engines
Use these files for the NRCI module in EV-CIS.
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Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2015
This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T for Test Year 2015.
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Guidance to Parties Submitting Round-Robin Data to Support Requests for Approval of Alternate Non-VCSB Test Methods
This guidance is for parties to submit accuracy and precision information for determining compliance for non-VCSB test methods.