Laws & Regulations
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No Additional Review for Section 404 Permit, Potash Corporation of Saskatchewan
Contains EPA notification letter to not seek additional review for the CWA Section 404 permit for PCS Phosphate mine expanion operation, Aurora, North Carolina, June 17, 2009
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PCS Phosphate Company, Inc. Mine Continuation Permit NGO Line Alternative Letter, April 3, 2009
Contains letter from PotashCorp requesting not to elective PCS Phosphate Company, Inc. Mine Continuation Permit, Beaufort County, North Carolina, April 3, 2009
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EPA Veto of PCS Phosphate Permit in North Carolina
Contains letter from NC environmental organizations protesting the elevation of a Section 404 permit under the Clean Water Act, Aurora, North Carolina, February 18, 2009
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Calendar Entry Appointment: Phill Ungaro calling (561-310-9219), re: PCS Letter
Contains calendar entry for phone conversation regardinf the PCS Letter,Phosphate mine expansion, Aurora, North Carolina, June 5, 2009
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Groundwater Interim Measures Work Plan for the Former Chemical Plant
May 2012 Groundwater IMWP, revised per EPA's approval, focuses on the installation of a groundwater containment system to mitigate groundwater migration from the former plant. A prior 2002 work plan is included in its entirety in Appendix B.
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Report of the Chief FOIA Officer to the U.S. Department of Justice, 2025
Report of the Chief FOIA Officer to the U.S. Department of Justice, 2025
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EPA-Approved Bay Area Air Quality Management District Regulations in the California SIP
EPA approved and compiled rules and regulations for the San Francisco Bay Area Air Quality Management District (BAAQMD) portion of the California State Implementation Plan (SIP).
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Approved Air Quality Implementation Plans in EPA's Pacific Southwest (Region 9)
Approved State Implementation Plans, Tribal Implementation Plans, and Federal Implementation Plans in EPA's Pacific Southwest (Region 9), including: Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations.
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EPA-Approved Antelope Valley Air District Regulations in the California SIP
EPA approved and compiled rules and regulations for the Antelope Valley Air Quality Management District (AVAQMD) portion of the California State Implementation Plan (SIP).
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EPA-Approved Amador County Air District Regulations in the California SIP
EPA approved and compiled rules and regulations for the Amador County Air Pollution Control District (APCD) portion of the California State Implementation Plan (SIPs).
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EPA-Approved Arizona Source-Specific Requirements
EPA Approved Arizona Source-Specific Requirements and are part of the Arizona State Implementation Plan (SIP): Arizona Department of Environmental Quality and Maricopa County Air Quality Department.
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EPA-Approved Regulations for Pinal County, AZ
EPA Approved Regulations for Pinal County that are part of the Arizona State Implementation Plan (SIP)
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EPA-Approved Air Pollution Control Regulations for Pima County, AZ
EPA approved Air Regulations and Statutes for Pima County, Arizona.
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EPA Approved State-Wide Statutes in the Arizona SIP
EPA approved statutes for the Arizona State Implementation Plan (SIP). EPA's Pacific Southwest Office maintains these tables and will update them to reflect any changes the official tables codified in the Code of Federal Regulations.
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EPA Approved State-Wide Regulations in the Arizona SIP
EPA Approved State-Wide Regulations in the Arizona State Implementation Plan (SIP).
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Verify Module for Reporting A/C and Off-Cycle GHG Credits for Light-Duty Vehicle and Truck Manufacturers
This EPA presentation provides information on using the new Verify module, streamlining the process required to electronically submit annual reporting of air conditioning (A/C) and off-cycle GHG credits for light duty manufacturers.
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Release Notes for OTAQReg v3.0
These release notes include new functionality for Part 79 E-registration for fuel additive manufacturers in OTAQREG and updates to OTAQREG system for users.
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Renewable Fuel Standard Compliance Deadline Extension
Renewable Fuel Standard Compliance Deadline Extension of 2019 and 2020 Renewable Fuel Standard Compliance and Attest Engagement
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Fuel Economy Label Comparison
EPA fuel economy label that applies to 2008 to 2012 model year vehicle and EPA fuel economy label that applies to 2013 model year vehicle.
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EPA and CARB Approve Second Phase of Emissions Modifications for Model Year 2015 2.0 Diesel Liter Vehicles
EPA and CARB Approve Second Phase of Emissions Modifications for Model Year 2015 2.0 Liter diesel Vehicles (April 18, 2018)