Laws & Regulations
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EPA Emission Standards for Heavy-Duty Highway Engines and Vehicles
This page contains links to reference information for the Federal Emissions Standards of heavy-duty highway vehicles and engines
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Occurrence Data from the Unregulated Contaminant Monitoring Rule
EPA uses the Unregulated Contaminant Monitoring Rule (UCMR) to collect data for contaminants suspected to be present in drinking water, but that do not have health-based standards set under the Safe Drinking Water Act (SDWA)
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Fifth Unregulated Contaminant Monitoring Rule Data Finder
This page contains a list of UCMR 5 Contaminants and Analytical Methods
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Basic Information about the Emission Standards Reference Guide for On-road and Nonroad Vehicles and Engines
The page contains overview information on mobile sources, EPA's approach to regulating the emissions from mobile sources, and the vehicle/engine certification process.
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Non-EPA Emission Standards Resources and Guides
This web page provides links with information related to the information found in the Federal Emission Standards Reference Guide.
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All EPA Emission Standards
This page provides links to all federal emission standards on the Emission Standards Reference Guide site for mobile sources, driving cycles and fuel sulfur standards
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Formaldehyde Emission Standards for Composite Wood Products
formaldehyde, composite wood products, TSCA
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NPDES Final Permit and Response to Comments
NPDES Final Permits and Response to Comments
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New York Impaired Waters List
The documents detail the New York impaired waters list.
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Sulfur Dioxide (SO2) Primary Air Quality Standards
The Clean Air Act requires EPA to set national ambient air quality standards (NAAQS) for six pollutants considered harmful to public health and the environment
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Contaminant Candidate List 2 - CCL 2
Learn about EPA's second Contaminant Candidate List (CCL 2)
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Contaminant Candidate List 1 - CCL 1
Learn about EPA's first Contaminant Candidate List (CCL 1)
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Slides Presented at the June 16th Public Meeting on Preliminary Regulatory Determinations for the CCL3
Learn about information presented at a stakeholder meeting on Regulatory Determination 3
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Slides Presented at the December 9th Public Meeting on Preliminary Regulatory Determinations for the CCL3
Learn about information presented at a stakeholder meeting on Regulatory Determination 3
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What EPA Does With the CCL
Learn what EPA does with the CCL
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Farmer and Rancher Inquiry Tool: Crops Guide
Agricultural Laws and Regulations Directory for Farmers. View statues related to your farming operation - Crops guide
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Farmer and Rancher Inquiry Tool: Grazing Guide
Agricultural Laws and Regulations Directory for Farmers. View statues related to your farming operation - Ranching guide
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Farmer and Rancher Inquiry Tool: Livestock Guide
Agricultural Laws and Regulations Directory for Farmers. View statues related to your farming operation - Livestock guide
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Where can I learn more about the EPA program offices and the laws and regulations they implement that may apply to my crop, livestock, and grazing operations?
Use the Farmer and Rancher Inquiry Tool to learn about EPA program offices, the laws and regulations they implement, and for each of the offices, the environmental requirements that apply to crop, livestock, and grazing operations. The tool identifies contacts within EPA’s program offices and regions and presents a “question…