Laws & Regulations
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Final NPDES Permit for El Yunque Water Treatment Plant in Luquillo, Puerto Rico
EPA's NPDES water permit for the El Yunque Water Treatment Plant in Luquillo, Puerto Rico.
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Final NPDES Permit for Esperanza Water Treatment Plant in Las Marias, Puerto Rico
EPA's NPDES water permit for the Esperanza Water Treatment Plant in Las Marias, Puerto Rico.
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New Owner Clean Air Act Audit Program for Oil and Natural Gas Exploration and Production Facilities
May 2018 draft template of New Owner Audit Program Agreement for Oil and Natural Gas Exploration and Production Facilities
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Marathon Ashland Refinery Clean Air Act Settlement
Settlement commits seven refineries owned by Marathon Ashland Petroleum LLC to an ambitious program for assuring compliance with major provisions of the CAA.
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Scientific Integrity and Misconduct Issues
This section reports the status of scientific integrity allegations received by the scientific integrity official and any scientific misconduct cases received by the OIG.
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Enforcement Actions in 2020 Address Public and Residential Property Soil Cleanup at Illinois Superfund Site
Case summary of two settlements at the DePue/New Jersey Zinc/Mobile Chemical Superfund site in Illinois
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Case Summary: EPA issues Order for San Gabriel Valley Superfund Site Area 4 - Puente Valley
EPA ordered Northrup Grumman Systems Corporation to spend an estimated $20 million to build a groundwater cleanup system.
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ASARCO Bankruptcy Case Summary: Custodial Trust Settlement Information Sheet
Description of the custodial trust settlement agreement in the ASARCO bankruptcy settlement agreement.
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2016 Remedial Design ASAOC and SOW Models
Memorandum transmitting remedial design model administrative settlement agreement and new model statement of work for RD
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Guidance: Liability Reference Guide for Siting Renewable Energy on Contaminated Property
Reference document provides answers to renewable energy developers' common questions with liability and potentially contaminated property
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Guidance: Federal Superfund Liens (Supplemental Guidance)
Supplemental guidance on federal Superfund liens originally issued in September 1987.
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Guidance: Federal Superfund Liens
Memorandum establishes guidance on the use of federal liens to enhance Superfund cost recovery under CERCLA section 107(l)
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Using Federal Superfund Liens to Secure Response Costs
Memorandum addresses the use of liens in appropriate Superfund enforcement cases pursuant to CERCLA section 107(l).
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Guidance: Use of Stipulated Penalties in Hazardous Waste Consent Decrees
This guidance addresses the use of stipulated penalties in civil judicial settlements under CERCLA and RCRA Section 7003.
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Case Summary: Settlement with Formosa Plastics Corporation for Site-Wide Corrective Actions at Point Comfort, Texas Facility
Case summary of agreement to perform corrective action at facility in Region 6.
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Report of Investigation: Whistleblower Reprisal Investigation
Report: U.S. Chemical Safety and Hazard Investigation Board Fiscal Years 2023 and 2022 Financial Statement Audit
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MPRSA Dredged Material Permits
Permits and authorizations for the ocean dumping of dredged material is issued by U.S. Army Corps of Engineers. Information is provided about where to dispose dredged material and the process for obtaining an MPRSA permit for dredged material.
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Office of Air and Radiation Grants: FOIA Records Repository
Office of Air and Radiation Grant Program Repository
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EPA OIG FOIA Requests
The Freedom of Information Act (FOIA) provides that any person has a right to obtain access to federal agency records, except to the extent that such records are protected from public disclosure by one of nine exemptions.
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Final Monitoring Closure Letter
Final Monitoring Closure Letter for TCEQ Case