Laws & Regulations
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Regulatory Determination 2 Support Documents for DDE
Learn about the support documents for DDE
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Fact Sheet: Third Contaminant Candidate List (CCL 3)
CCL 3 Fact Sheet
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Fact Sheet: The Drinking Water Contaminant Candidate List 2 -- The Source of Priority Contaminants for the Drinking Water Program
Fact sheet on the Contaminant Candidate List (CCL).
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CCL 3 Support Documents - Screening and PCCL Documents
Learn about the support documents for CCL 3 screening and PCCL
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CCL 3 Support Documents - Final CCL 3 (and other documents)
Learn about the support documents used to develop the Final CCL 3
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CCL 3 Support Documents - Universe Documents
Learn about the support documents for identifying the universe for CCL 3
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Clean Air Act Standards and Guidelines for the Metals Production Industry
Stationary sources of air pollution for metal production industries, and their corresponding air pollution regulations.
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Definition of "Contaminant"
Learn about the definition of a contaminant
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Evaluating Contaminant Occurrence and Exposure Data for Six-Year Review of Drinking Water Standards
Learn about EPA's goals in considering contaminant occurrence and exposure analysis for public water systems
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Water and Wastewater Systems Sector Cybersecurity
Water & Wastewater Systems Sectory Cybersecurity is helping water & wastewater entities build resilience to cyber threats & hazards by providing information & resources that water & wastewater utilities can leverage to enhance their cybersecurity posture.
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Cement Sector Information
Learn about environmental resources for the cement and concrete sector.
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Concrete Sector Information
Learn about environmental resources for the concrete and cement sector.
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Electronics and Technology Sector Information
Learn about environmental resources for the computer, electronics and technology sectors.
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EPA Awards $10.5 Million to Cut U.S. School Bus Emissions, Replace California Diesel Buses with Electric
California receives $885,000, including funds for 14 of the 16 electric buses offered nationally
EPA News Release: EPA Awards $10.5 Million to Cut U.S. School Bus Emissions, Replace California Diesel Buses with Electric
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EPA settles diesel emissions cases against three northwest companies
Spokane Valley, Hayden, Idaho companies illegally made, sold devices to bypass emissions controls; resulted in at least 49 million pounds in excess emissions
EPA News Release: EPA settles diesel emissions cases against three northwest companies
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Guidance for Ozone and Fine Particulate Matter Permit Modeling
This document is part of the NSR Policy and Guidance Database
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Public Interest Waiver of American Iron and Steel Requirements to the City of St. Joseph, Missouri for Air Release/Vacuum Valves
Waiver request approval for the city of St. Joseph, Missouri for use of Air Release/Vacuum Valves in compliance with the American Iron and Steel Requirements
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Project Waiver of American Iron and Steel Requirements to the City of Williston, North Dakota for Tapped Mechanical Joint Wall Sleeves
Waiver of AIS requireents for Williston, ND
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Project Waiver of American Iron and Steel Requirements to the Duchesne County, Utah Water Conservancy District Victory Pipeline Project for HDPE Pipe Back-Up Rings
Approved AIS waiver for back-up rings for HDPE pipe for the Duchesne County UT DWSRF project
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Project Waiver of the American Iron and Steel Requirements to Winston-Salem, North Carolina for Mechanical Joint Adapter Bells and Wall Collars
Project Waiver of American Iron and Steel Requirements to the Winston-Salem and Forsyth County City/County Utilities Commission