Laws & Regulations
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Learn About Renewable Fuel Standard
A hub page provides links to Renewable Fuel Standard Program's overview, annual standards and RIN transactions.
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Proposed Alternative RIN Retirement Schedule for Small Refineries
EPA proposes an alternative schedule for small refineries to demonstrate compliance with their 2020 RFS obligations.
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Quality Assurance Plans under the Renewable Fuel Standard Program
Quality Assurance Plan or (QAP) is a voluntary program where independent third-parties may audit and verify that RINs have been properly generated and are valid for compliance purposes. RINs verified under a QAP may be purchased by regulated parties.
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EPA and CARB Approve Emissions Fixes for Audi, Porsche, and VW Diesel 3.0 Liter Sport Utility Vehicles
EPA and CARB to Volkswagen approves emissions modifications for generations 2.1 SUV and 2.2 SUV of the 3.0 liter subject vehicles. (October 20, 2017)
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Washington County Lead District National Priority List (NPL) Superfund Sites: Furnace Creek, Old Mines, Potosi and Richwoods; Washington County, Missouri – Fact Sheet, June 2022
Site Update: Lead Testing and Cleanup Opportunity
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EPA-Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the New Mexico SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the New Mexico SIP
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Washington SIP: EPA Approved Regulations (Table 7 - Puget Sound Clean Air Agency)
EPA approved regulations for the Puget Sound Clean Air Agency in Washington's air quality State Implementation Plan (SIP).
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Risk and Technology Review of the National Emissions Standards for Hazardous Air Pollutants
This page contains summary status information on the risk and technology review requirements for National Emission Standards for Hazardous air pollutants under the Clean Air Act.
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New Mexico SIP History
New Mexico SIP History
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SPeCS for SIPs Job Aides
Learn the step-by-step process for registering and using SPeCS for SIPs in EPA's Central Data Exchange (CDX) system. There are different steps for preparing and certifying the SIP.
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Washington SIP: EPA Approved Regulations (Table 3 - Energy Facilities Site Evaluation Council)
EPA approved regulations for the Energy Facilities Site Evaluation Council (EFSEC) in Washington's air quality State Implementation Plan (SIP).
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Ozone-Depleting Substances (ODS) Recordkeeping and Reporting
Provides information on rules concerning the reporting and recordkeeping requirements for producing, importing, and exporting ozone-depleting substances.
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Assisting People with Limited English Proficiency
Executive Order 13166 requires Federal agencies to examine the services they provide, identify any need for services to those with limited English proficiency (LEP).
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Summary of Swinomish Air Quality Plan
Summary of the Swinomish air quality Tribal Implementation Plan (TIP).
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Access EPA Dockets
Details surrounding EPA's use of Regulations.gov and what docket materials are accessible on Reguations.gov.
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Fact Sheet: Nonylphenols and Nonylphenol Ethoxylates
EPA's existing chemicals programs address pollution prevention, risk assessment, hazard and exposure assessment and/or characterization, and risk management for chemicals substances in commercial use.
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Ozone NAAQS Timelines
2008 ozone standards remain in effect while the 2015 standards are being realized. EPA must make new area designations based on the 2015 standards before they can begin to be implemented.
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SIP Call Withdrawal and Air Plan Approval; NC: Large Internal Combustion Engines
The Environmental Protection Agency (EPA), Region 4 is approving a
portion of a State Implementation Plan (SIP) revision submitted by the State of North Carolina. -
Sporlan Valve Plant #1 Superfund Site, Washington, Franklin County, Missouri - Fact Sheet, May 2021
Notice of Upcoming Fieldwork
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Former Chamberlain Manufacturing Site, Waterloo, Black Hawk County, Iowa - Fact Sheet, June 2020
Public Comment Period for Proposed Final Remedy