Laws & Regulations
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Sources Approved for Coverage under the Spark Ignition Engines General Permit in Region 8
The sources on Indian country reservation lands that the Region 8 has approved for coverage under the General Air Quality Permit for New and Modified Minor Source Stationary Spark Ignition Engines in Indian Country (SI Engines General Permit).
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Regional Haze Rule Revisions Early Engagement Public Webinar
Learn about webinars covering the EPA's Regional Haze Rule Revision.
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Publicly Owned Treatment Works General Permit (POTW GP) for Massachusetts & New Hampshire
Documents, links & contacts for the Notice of Availability of the final National Pollutant Discharge Elimination System (NPDES) General Permits for the Discharge of Wastewater from Certain Publicly Owned Treatment Works Treatment Plants (POTW).
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Application Assistance: Frequently Asked Questions
Frequent Questions re San Francisco Bay Water Quality Improvement Fund
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Nevada National Pollutant Discharge Elimination System (NPDES) Permits
In Nevada, EPA’s Pacific Southwest (Region 9) issues all NPDES permits for any discharges on tribal lands. All other NPDES permits are issued by the Nevada Division of Environmental Protection (NDEP).
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Hawai'i National Pollutant Discharge Elimination System (NPDES) Permits
EPA's Pacific Southwest (Region 9) issues all NPDES permits for any discharges into federal ocean waters in Hawai'i. All other NPDES permits are issued by the Hawai'i Department of Health.
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Arizona Tribal Lands National Pollutant Discharge Elimination System (NPDES) Permits (Excluding Navajo Nation)
In Arizona, EPA's Pacific Southwest (Region 9) issues all NPDES permits for discharges on tribal lands. All other permits are issued by the Arizona Department of Environmental Quality.
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American Samoa National Pollutant Discharge Elimination System (NPDES) Permits
EPA's Pacific Southwest (Region 9) issues all National Pollution Discharge Elimination System (NPDES) permits within the Pacific Island territory of American Samoa.
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AS0020048: Former Aua Fuel Farm Temporary Water Treatment System, Aua Village, AS
Authorization to discharge Under NPDES Permit No. AS0020048 for the U.S. Army Corps of Engineers and Engineering/Remediation Resources Group former Aua Fuel Farm Temporary Water Treatment System, Aua Village, AS.
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Tribal Minor NSR Synthetic Minor Limit Application Form in Region 8
This Tribal Minor NSR application form should be used to notify the EPA Region 8 Tribal NSR Permitting Program of requested synthetic minor emission limits associated with a new source general application form.
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Tribal Minor NSR New Source General Application Form in Region 8
This Tribal Minor NSR application form should be used to request a minor NSR permit for a new construction project from the EPA Region 8 Tribal NSR Permitting Program.
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United States Department of Energy v. Ohio et al.
Held: Congress has not waived the National Government's sovereign immunity from liability for civil fines imposed by a State for past violations of the CWA or RCRA.
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Webinar Slides, Asset Management 101, 01-21-2021
Slides from webinar on Asset Management 101. Presented 01/21/2021.
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Superfund: Post Construction Guidance and Documents
Access resources and guidance for the Post Construction Completion phase of Superfund site cleanup.
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Pollution Prevention Timeline
Information on Pollution prevention laws, definitions and policies including a list of relevant executive orders.
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What is GLWQA?
History and general summary of GLWQA.
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DRAFT Contingency Measures Guidance
DRAFT guidance for comment
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Industrial, Commercial, and Institutional Area Source Boilers: National Emission Standards for Hazardous Air Pollutants (NESHAP)
learn about the regulations for boilers and process heaters for area sources and subpart JJJJJJ. Read the rule summary, rule history, fact sheets docket documents, and additional resources.
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Central and Western Long Island Sound Dredged Material Site
Central Long Island Sound Dredged Material Site (CLDS)
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Software Release Notes for the Engines and Vehicles Compliance Information System (EV-CIS)
These release notes are applicable across all industry sectors for EV-CIS.