Laws & Regulations
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Clinton River Sediment Transport Modeling Study
The U.S. ACE develops sediment transport models for tributaries to the Great Lakes that discharge to AOCs. The models developed help State and local agencies to evaluate better ways for soil conservation and non-point source pollution prevention.
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Operating Permit Timeline for Louisiana
Part 70 Title V Operating Permit Timeline for Louisiana
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EPA's Elements of Systematic Planning for Data Quality Assurance
EPA's elements of systematic planning
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RFC 22001 - GenX Chemicals Toxicity Assessment
Document page for RFC 22001 GenX Chemicals Toxicity Assessment
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Appendix D to the Request for Correction 12004, Regarding Drinking Water: Regulatory Determination on Perchlorate, Violations by County
A table of violations by county with the specific contaminants and their concentrations listed
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Third Party Correspondence (RFR 17002A): The Lambert Firm letter dated March 29, 2021
Third Party Correspondence (RFR 17002A): The Lambert Firm letter dated March 29, 2021. Response to March 1, 2021 letter from Robert Holden to the EPA regarding Denka Performance Elastomer, LLC’s Withdrawal of its Request for Reconsideration
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EPA Response to Information Quality Act Guidelines Request for Correction #14002, Regarding the Libby Amphibole Asbestos IRIS Assessment
EPA Response to Information Quality Act Guidelines (IQG) Request for Correction #14002 stating that
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Re: Information Quality Act Guidelines Request for Correction #14002, Regarding the Libby Amphibole Asbestos IRIS Assessment
Letter from Karl Bordeau inquiring for an updated status on his Request for Correction for Information Quality Act.
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Re: RFC 14002 Supplemental Information in Support of Information Quality Act Request for Correction, Regarding the Libby Amphibole Asbestos IRIS Assessment
Letter from Karl Bordeau providing EPA with additional scientific studies to modify their LAA IRIS assessment with.
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Navajo Nation NPDES Permits
EPA’s Pacific Southwest (Region 9) issues all NPDES permits on Navajo Nation tribal lands.
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NN0028193: Navajo Transitional Energy Company (NTEC); Navajo Coal Mine, Fruitland, NM
NPDES Permit #NN0028193 for Navajo Transitional Energy Company/Bisti Fuels LLC Navajo Coal Company Navajo Mine, San Juan County, NM.
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EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Texas SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Texas SIP
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South Dakota NPDES Permits
NPDES water permits issued in South Dakota.
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Operating Permit Timeline for Oklahoma
Part 70 Title V Operating Permit Timeline for Oklahoma
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Public Outreach and Stakeholder Engagement Activities
Information about the scheduled outreach activities regarding EPA and Army's review of the NWPR and intention to replace the definition of "waters of the United States"
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U.S.-Canada Cooperation in the Salish Sea
Collaboration between the EPA and Canada to address shared environmental challenges in the Salish Sea.
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Proposed Rule in Response to Request From States for Removal of Gasoline Volatility Waiver
EPA responds to requests from eight state governors to remove the 1-psi volatility waiver for gasoline-ethanol blends containing 10 percent ethanol.
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CAA Permitting in EPA's Mountains and Plains Region
Air permitting in EPA's Mountain and Plains region, Region 8; serving Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming, and 27 Tribal Nations
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Pledge Waivers
Pursuant to Executive Order 13989, this pledge must be posted to an outward facing website no later than 4/24/21.
Marianne Engelman-Lado Ethics Pleade Waiver
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U.S. EPA Assessment of Walter Coke Voluntary Investigation and Cleanup Report to Walter Coke, Inc. - dated June 17, 2011
Contains notification to Walter Coke, Inc. of completion of Voluntary Investigation & Cleanup Report for Hudson School by Walter Coke, Inc, Alabama, dated June 17, 2011