Laws & Regulations
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 7. Permits for Minor Facilities, Part 1. General Provisions, SIP effective June 14, 2017 (OKd21) NOT EDITED FOR SIP effective August 3, 2026 (OKd40)
Oklahoma SIP: OK 252:100- 7, PART 1. General Provisions
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WIPP Magnesium Oxide (MgO) - Planned Change Request
On April 10, 2006, the DOE submitted a planned change request pertaining to the amount of MgO emplaced in the WIPP repository. MgO is an engineered barrier that DOE included as part of the original WIPP Certification Decision.
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Pacific Southwest (Region 9) NPDES Wastewater & Stormwater Permits
Information about EPA's Pacific Southwest (Region 9) NPDES Wastewater and Stormwater Permits in Arizona, California, Hawaii, Nevada, and Pacific Island Territories.
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Regulatory Actions for Technology Transitions
Rules and notices under subsection (i) of the AIM Act
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Oskaloosa, Iowa - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against the City of Oskaloosa, Iowa, for alleged violations associated with the management of sewage sludge in or around Oskaloosa,
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City of Prosser, Washington - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against the City of Prosser, Washington, for alleged violations associated with the management of sewage sludge in or around Prosse
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Brad Anderson d/b/a Anderson Farm - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against Brad Anderson d/b/a Anderson Farm for alleged violations of the CWA. Anderson Farms excavates and sells soil at and from th
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Limitless Potential: Keokuk, Iowa, Aims to Revitalize Old Elkem-Carbide Site
EPA's $2 million grant will help Keokuk achieve its goal of revitalizing an abandoned carbide plant, one of the largest 2023 grants offered by Region 7's Brownfields program.
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Brown Industries, LLC - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against Brown Industries, LLC for alleged violations at the Lawrence, Kansas facility.
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Whistle Redi Mix, LLC d/b/a Whistle Redi-Mix, Inc. - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against Whistle Redi Mix, LLC d/b/a Whistle Redi-Mix, Inc. for alleged violations at the Lacygne, Kansas facility.
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California (Non-Tribal) National Pollutant Discharge Elimination System (NPDES) Permits
EPA’s Pacific Southwest (Region 9) issues NPDES permits for any discharges into federal ocean waters. All other permits are issued by the California Environmental Protection Agency (CalEPA).
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1993 Favorable Decision Upholding Radioactive/Hazardous "Mixed Waste" Storage Civil Enforcement Policy
This page contains a copy of the U.S. Court of Appeals (District of Columbia Circuit) decision in Edison Electric Institute, et al. v. EPA, No. 91-1586, which upheld the EPA's August 29, 1991, radioactive/hazardous 'mixed waste' storage civil enforcement p
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2002 EPA Policy Towards Privately-Owned Formerly Used Defense Sites
EPA is issuing this policy to the Regions in order to clarify the Agency's role at privately-owned formerly used defense sites.
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Choosing a Percentile of Acute Dietary Exposure as a Threshold of Regulatory Concern
Choosing a Percentile of Acute Dietary Exposure as a Threshold of Regulatory Concern
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Tolerances by Commodity, Crop Group, or Crop Subgroup Index
Index to Pesticide Chemical Names, Part 180 Tolerance Information, and Food and Feed Commodities (by Commodity)
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Pesticide Types Index
Index to Pesticide Types and Families and Part 180 Tolerance Information of Pesticide Chemicals in Food and Feed Commodities - July 2014
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Frequent Questions about TSCA CBI
General Questions and Answers Concerning Confidential Business Information (CBI) Provisions of the Toxic Substances Control Act (TSCA), as amended by the Frank R. Lautenberg Chemical Safety for the 21st Century Act
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Numbers (PMN) P-16-0380-0385
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-16-0380-0385.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-20-0086
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-20-0086.