Laws & Regulations
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PSD and Title V Permitting Guidance for GHGs
This document is part of the NSR and the Tittle V Policy and Guidance Databases.
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About Prevention of Significant Deterioration Permits in EPA's Pacific Southwest (Region 9)
Prevention of Significant Deterioration (PSD) Permits in EPA's Pacific Southwest (Region 9).
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MPRSA Ocean Sites
The EPA designates and manages ocean sites to mitigate adverse impacts to surrounding marine environment. Includes ocean site map and site management and monitoring plans.
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Schiller Station Administrative Record
Administrative Record documents for Schiller Station, NH
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EPA Process Manual for CAA requests under 111(b), 111(d), 112, and 129
This document is process manual for processing responding to request concerning applicability and compliance requirements under certain Clean Air Act standards.
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General Information about CWA Section 404(g)
Overview of Clean Water Act Section 404(g)
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NACEPT Assumable Waters Subcommittee Materials Regarding Tribal or State Permitting under Clean Water Act Section 404
Overview Assumable Waters Subcommittee and final report.
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Consultation on CWA Section 404 Program Requests: Endangered Species Act and National Historic Preservation Act
EPA is seeking public comment on whether the Agency should reconsider its current position that consultation under ESA Section 7(a)(2) is not required when the EPA approves a State or Tribe’s request to assume the Section 404 program
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NPDES Pretreatment Discharge Requirements for Metal Container Corporation - Windsor Can Plant in Colorado
Under NPDES control mechanism CO-PF00102, Windsor Can Plant is authorized to discharge wastewater to the City of Windsor, Colorado, publicly operated treatment works (POTW).
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Documents: Notices of Intent to Sue (2015)
View notices of intent to sue the U.S. Environmental Protection Agency in 2015.
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Proposed PFAS National Primary Drinking Water Regulation
PFAS NPDWR Proposal Page
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Former Chamberlain Manufacturing Site, Waterloo, Black Hawk County, Iowa - Fact Sheet, July 2021
Proposed Explanation of Significant Differences
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Des Moines TCE Superfund Site, Des Moines, Polk County, Iowa - Fact Sheet, September 2017
Public Comment Period for Engineering Evaluation/Cost Analysis
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Compass Plaza Well Trichloroethylene (TCE) Superfund Site, Rogersville, Missouri - Fact Sheet, August 2016
EPA Conducting Remedial Investigation and Feasibility Study
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Web Services
Envirofacts is developing web services to facilitate the sharing of its functionality and information. All of the services that are available within Envirofacts will be listed on this page.
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Air Permitting Delegations and Program Approvals in Region 10
EPA delegations and approvals for state and local Clean Air Act permitting programs in Region 10 (Alaska, Idaho, Oregon, Washington.)
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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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The FOIA Request Process
Freedom of information act procedural guidance.
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Released Records
EPA Released Records
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Atlanta Journal Constitution op-ed by Regional Administrator McOmber
McOmber Delivers Earth Day Message: Spend Time Outdoors, Enjoy the Sense of Place our Green Spaces Provide