Laws & Regulations
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Pennsylvania Underground Injection Control (UIC) permits
Underground Injection Control permitted Class II facilities located in Pennsylvania
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Nitrogen Dioxide (NO2) Primary Standards - Federal Register Notices from Current Review
Federal Register notices used to develop the current nitrogen dioxide (NO2) primary national ambient air quality standard.
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Resources for Small Businesses
The Small and Disadvantaged Business Utilization Division (SDBUD) under Office of the Administrator, advocates and fosters opportunities for direct and indirect partnerships.
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Drinking water warning for Dusty’s Camper World public water system in Bartow, FL
Recent drinking water samples taken by the Dusty’s Camper World in Bartow, Florida, found elevated levels of lead in some homes and/or buildings.
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Drinking water warning for Florida Power & Light Company (FPL) Okeechobee Clean Energy Center (OCEC) public water system in Okeechobee, Florida
Recent drinking water samples taken by the (FPL) Okeechobee Clean Energy Center in Okeechobee, Florida, found elevated levels of lead in some homes and/or buildings.
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Puerto Rico NPDES Permits
NPDES water permits issued in Puerto Rico.
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Final NPDES Permit for Arecibo RWWTP for Guaynabo, Puerto Rico
Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for Arecibo RWWTP.
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EPA Approved New Hampshire Source-Specific Requirements
EPA Approved New Hampshire Source-Specific Requirements
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EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Maine SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Maine SIP
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Approved Air Quality Implementation Plans in Region 1
Read about the approved State Implementation Plans, Tribal Implementation Plans, as well as any Federal Implementation Plans for Region 1.
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EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Rhode Island SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Rhode Island SIP
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EPA Approved Regulations in the Oregon SIP
Table of contents for EPA-approved regulations in Oregon's air quality State Implementation Plan (SIP).
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Technical Corrections for GHG Reporting
Technical Corrections
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Operating Permit Timeline for New Mexico or Albuquerque
Part 70 Title V Operating Permit Timeline for New Mexico
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Paying PRIA Application Fees
pria fees
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National Study of Chemical Residues in Lake Fish Tissue Results
Data collection to inform fish advisories and safe eating guidelines - National Study of Chemical Residues in Lake Fish Tissue Results
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Oklahoma Regulation 1.4.2 Construction Permit, SIP effective June 14, 2017 (OKd21) -- Applicable to minor NSR permitting under OAC 252:100-8 only. NOT IN SIP effective August 3, 2026 (OKd40)
Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
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Oklahoma Regulation 1.4.1 General Permit Requirements, SIP effective June 14, 2017 (OKd21) -- Applicable to minor NSR permitting under OAC 252:100-8 only. NOT IN SIP effective August 3, 2026 (OKd40)
Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
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EPA Approved Regulations in Oklahoma SIP effective January 3, 2000 (OKc48) to August 2, 2026
Current EPA-Approved Regulations in the Oklahoma SIP
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Federal Register Notices and State Authorization Tracking System (StATS) Reports for State Authorization under the Resource Conservation and Recovery Act
Authorization Federal Register Notices and state authorization activity.