Laws & Regulations
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Nitrogen Dioxide Designations - Illinois State Recommendations and EPA Response
2010 Nitrogen dioxide (NO2) standards. Illinois state recommendation and EPA response.
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Nitrogen Dioxide Designations - South Carolina State Recommendations and EPA Response
2010 Nitrogen dioxide (NO2) standards. South Carolina state recommendations and EPA response.
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EPA Approved Regulations in the Rhode Island SIP
EPA Approved Regulations in the Rhode Island SIP
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Lead (Pb) Standards - Integrated Science Assessments from Review Completed in 2016
Scientific and technical Integrated Science Assessments used to develop the current lead national ambient air quality standard.
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National Ambient Air Quality Standards (NAAQS) for Lead (Pb) Fact Sheets and Additional Information
This page contains a variety of fact sheets and other documents that are supplementary to the November 2008 Lead (Pb) National Ambient Air Quality Standards (NAAQS).
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EPA Region 8 Lead Service Line Inventory Template
Lead Service Line Inventory Template - This spreadsheet template may be used by public water systems in Wyoming and on EPA R8 Tribal Lands for service line inventories.
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Louisiana SIP History
Louisiana SIP: SIP Map/History
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TSCA Chemical Data Reporting Fact Sheet: Byproducts Reporting for the Printed Circuit Board Industry
This fact sheet provides information on existing Chemical Data Reporting (CDR) rule requirements related to byproducts reporting by persons who manufacture printed circuit boards and may be subject to CDR.
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Fuel Economy Labels in EPA and DOT Final Rulemaking “Revisions and Additions to Motor Vehicle Fuel Economy Label”
Fuel Economy Labels in EPA and DOT Final Rulemaking “Revisions and Additions to Motor Vehicle Fuel Economy Label”.
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Final Renewable Fuels Standards Rule for 2023, 2024, and 2025
EPA finalizes volume requirements and percentage standards under the Renewable Fuel Standard (RFS) program for 2023, 2024, and 2025.
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June 2022 Denial of Petitions for RFS Small Refinery Exemptions
EPA denies all pending small refinery exemptions (SRE) petitions under the Renewable Fuel Standard (RFS) program.
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Combining Data into Complete eMotor ALPHA Maps
The National Center for Advanced Technology (NCAT), part of the National Vehicle and Fuel Emissions Laboratory (NVFEL), assesses the effectiveness of advanced low emission and low fuel consumption technologies for a broad range of electric motors (eMotor).
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Public Data on Gasoline Fuel Quality Properties
This application provides data on gasoline fuel properties and how they have been trending over time due to both EPA standards and shifts in market dynamics.
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Regulations for Greenhouse Gas (GHG) Emissions
This page provides links to GHG regulations.
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Organic Gas Speciation Profile for Aircraft
EPA regulations related to nitrogen oxide air pollution from aircraft.
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EPA Collaboration on International Air Pollution Standards for Aircraft
EPA has collaborated with the United Nation’s International Civil Aviation Organization (ICAO) to set a timeframe for initiating the U.S. domestic regulatory process for addressing greenhouse gas emissions from aircraft under the Clean Air Act.
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Emissions Modification for Generation 1.2 SUV of the 3.0 Liter Subject Vehicles
Letter from EPA and CARB approving defendants' (VW) proposed emissions modifications: for Generation 1.2 SUV of the 3.0 Liter VW Touareg and Audi Q7 Diesel Vehicles. (July 13, 2018)
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Safety-Kleen Systems in Denton, Texas
Site Specific page for Safety-Kleen Denton