Laws & Regulations
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Carbon Monoxide (CO) Standards - Litigation from Current Review
Litigation used to develop the current carbon monoxide national ambient air quality standard.
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Carbon Monoxide (CO) Standards - Other Technical Documents from Current Review
EPA memo used to develop the current carbon monoxide national ambient air quality standard.
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Carbon Monoxide (CO) Standards - Planning Documents from Current Review
Scientific and technical planning documents used to develop the current carbon monoxide national ambient air quality standard.
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Carbon Monoxide (CO) Standards - Response to Comments from Current Review
Response to comments used to develop the current carbon monoxide national ambient air quality standard.
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Carbon Monoxide (CO) Standards - Policy Assessments from Current Review
Scientific and technical policy assessments used to develop the current carbon monoxide national ambient air quality standard.
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Carbon Monoxide (CO) Standards - Risk and Exposure Assessments from Current Review
Scientific and technical risk and exposure assessments used to develop the current carbon monoxide national ambient air quality standard.
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Particulate Matter (PM) Standards - Planning Documents from Current Review
Scientific and technical planning documents used to review and develop the particulate matter national ambient air quality standard.
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Sulfur Dioxide (SO2) Primary Air Quality Standards - Federal Register Notices from Current Review
Federal Register notices used to review and develop new sulfur dioxide (SO2) primary standards
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Sulfur Dioxide (SO2) Primary Standards - Planning Documents from Current Review
Scientific and technical planning documents used to review and develop new sulfur dioxide primary national ambient air quality standards.
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Substitutes in Cold Storage Warehouses
This page contains a searchable/filterable/sortable table pf substitutes listed acceptable for use in cold storage warehouses.
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MVAC Equipment Certification Regional Office Addresses
List of Mailing Addresses for EPA Regional Offices
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Proposed Rule for Control of Emissions From Spark-Ignition Marine Vessels and Highway Motorcycles
Includes links to Federal Register notice, fact sheets, draft regulatory support document, FAQs and final rule.
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Final Rule for Control of Emissions From Highway Motorcycles
In this action we are adopting revised exhaust emission standards for currently regulated highway motorcycles. Includes rule summary, rule history and additional resources.
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EPA Oversight of Watershed Implementation Plans (WIPs) and Milestones in the Chesapeake Bay Watershed
EPA interim and final evaluations of progress made by jurisdictions towards restoring the Chesapeake Bay Watershed. Oversight progress is detailed in Watershed Implementation Plans (WIPs) reported out by two-year milestones.
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Substitutes in Streaming Agents
This page contains the acceptable, acceptable with caveat, and unacceptable substitutes for Halon 1211 as a streaming agent
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Final Rule for Control of Emissions of Hazardous Air Pollutants From Mobile Sources: Default Baseline Revision
Includes rule history, Federal Register notice, fact sheet and CFR citations.
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Substitutes in Stand-alone Equipment
This page contains a searchable/filterable/sortable table of substitutes listed acceptable in stand-alone units (including reach-in/display cases, glass-door bottle coolers, ice cream freezers)
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Final Rule for Control of Emissions of Hazardous Air Pollutants From Mobile Sources - 40 CFR Parts 80 and 86
Includes rule summary, rule history, technical support document, response to comments and fact sheet.
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Final Rule for Control of Emissions of Air Pollution From Nonroad Diesel Engines
Includes rule summary, CFR citations, Federal Register notice, Regulatory Impact Analysis, rule history and fact sheet.
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Final Rule for Control of Emissions of Air Pollution From New Motor Vehicles: In-Use Testing for Heavy-Duty Diesel Engines and Vehicles
Information on rule establishing manufacturer-run, in-use emissions testing program for heavy-duty diesel trucks. Includes rule history, rule summary, Federal Register notice, and fact sheet.