Laws & Regulations
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Nitrogen Dioxide (NO2) Air Quality Standards - Documents Prior to Review Completed in 1996
Nitrogen Dioxide (NO2 Primary) Air Quality Standards - Documents from Review Completed Prior to 1996
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PCB Annual Report Form
Under 40 CFR part 761.180(b), PCB disposers and commercial storers must submit an annual report using EPA Form 6200-025 by July 15 of each year for the preceding calendar year that summarizes PCB wastes handled by the facility.
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Resources for Hazardous Waste Cleanups
This webpage compiles all the resources for the corrective action program in one place
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NPDES Permit Reapplication Guidance
Reapplication attachments
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Polyether Polyols Production: National Emission Standards for Hazardous Air Pollutants (NESHAP)
Emissions standards for Polyether polyols producing facilities. Includes rule history, summary, Federal Register citiations, implementation and compliance information, and additional sources.
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Second Unregulated Contaminant Monitoring Rule
The second Unregulated Contaminant Monitoring Rule, or UCMR 2, required monitoring for 25 contaminants between 2008 and 2010 using analytical methods developed by EPA, consensus organizations, or both.
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Fact Sheets about the Fourth Unregulated Contaminant Monitoring Rule (UCMR 4)
Fact Sheets explaining the program, contaminants for monitoring, water systems applicable, timeframe & monitoring frequency, monitoring locations, critical requirements, data elements and where to find additional information on monitoring data.
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Method 546: Determination of Total Microcystins and Nodularins in Drinking Water and Ambient Water by Adda Enzyme-Linked Immunosorbent Assay
Analytical method for drinking water analysis.
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SDWA-09-2025-0101: The Gas Company, LLC dba Hawaii Gas, Lihue, HI; Consent Agreement and Final Order
Consent Agreement and Final Order ("CAFO") between the U.S. Environmental Protection Agency, Region 9 and The Gas Company, LLC dba Hawaii Gas, Lihue, Hawaii. EPA Docket No. SDWA-09-2025-0101.
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Nonattainment and Ozone Transport Region (OTR) SIP Requirements
The Clean Air Act (CAA) requires a group of northeast states, which make up the Ozone Transport Region (OTR), to submit a SIP and install a certain level of controls for the pollutants that form ozone, even if they meet ozone standards.
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Managing Air Quality - Ongoing Evaluation of Progress
Describes the importance of evaluating if air quality programs are achieving the desired results to inform environmental program managers, regulated industry and the public, and provides EPA examples.
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Office of Enforcement and Compliance Assurance Annual Results Reports
Highlights EPA's compliance and enforcement accomplishments during the fiscal year
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Pesticide Registration Manual: Confidential Statement of Formula Documents
These documents will help you complete the confidential statement of formula for pesticides registrations.
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Quantifying Actual or Potential Emissions for Permitting Purposes
Explanation of the meaning of Regulated New Source Review (NSR) Pollutants
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Petmin USA Incorporated
US/Canada AQA Notification Table
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New Source Review Laws & Statutes
Provides information on the laws and statues that underlie the New Source Review Program.
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Notice of Action Denying Petition for Reconsideration and Administrative Stay of the Project Emissions Accounting Rule
Denial of petition for reconsideration and request for administrative stay of EPA’s November 24, 2020 final rule titled “Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Project Emissions Accounting”
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Improving Safety at Facilities in New England with Smaller Ammonia Refrigeration Systems
Compliance Assurance and Enforcement Focus on Improving Safety at Facilities in New England with Smaller Ammonia Refrigeration Systems
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Good Samaritan Cleanup Example ASAOC
Learn about the Black Swan Restoration Reach Good Samaritan Project in Colorado, an example Administrative Settlement Agreement and Order on Consent (ASAOC).