Laws & Regulations
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Final NPDES Permit for Sanamuerto Water Treatment Plant in Orocovis, Puerto Rico
EPA's NPDES permit for the Sanamuerto Water Treatment Plant in Orocovis, Puerto Rico.
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Final NPDES Permit for Mameyes Abajo Water Treatment Plant in Puerto Rico
EPA's NPDES wastewater permit for the Mameyes Abajo Water Treatment Plant in Puerto Rico.
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Final NPDES Permit for Pfizer Pharmaceuticals in Vega Baja, Puerto Rico
EPA's NPDES permit for Pfizer Pharmaceuticals in Puerto Rico.
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Final NPDES Permit for Adjuntas Regional Wastewater Treatment Plant in Adjuntas, Puerto Rico
EPA's NPDES wastewater permit for the Adjuntas Regional Wastewater Treatment Plant in Adjuntas, Puerto Rico.
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Subpart W Rulemaking Activity: 2014 Conference Calls
Meeting minutes from quarterly conference calls held in 2014 regarding Subpart W.
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Final NPDES Permit for Barrio Nuevo Water Treatment Plant in Puerto Rico
EPA's NPDES wastewater permit for the Barrio Nuevo Water Treatment Plant in Puerto Rico.
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Final NPDES Permit for Jagual Water Treatment Plant in San Lorenzo, Puerto Rico
EPA's NPDES permit for the Jagual Water Treatment Plant in San Lorenzo, Puerto Rico.
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Final NPDES Permit for Ciales Water Treatment Plant in Puerto Rico
EPA's NPDES wastewater permit for the Ciales Water Treatment Plant in Puerto Rico.
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Final NPDES Permit for Rio Arriba Water Treatment Plant in Arecibo, Puerto Rico
EPA's NPDES permit for the Rio Arriba Water Treatment Plant in Arecibo, Puerto Rico.
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Final NPDES Permit for Lares Nueva Water Treatment Plant in Puerto Rico
EPA's NPDES wastewater permit for the Lares Nueva Water Treatment Plant in Puerto Rico.
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Pesticide Registration Policy and Guidance
Information about Pesticide Registration policy and guidance.
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Final NPDES Permit for Patillas Water Treatment Plant in Puerto Rico
EPA's NPDES wastewater permit for the Patillas Water Treatment Plant in Puerto Rico.
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CAP-88 PC Version 4 Training
This training module describes air transport of radionuclides and calculation of radionuclide concentrations in media, risk to individual receptors and and risk to populations.
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Subpart W Rulemaking Activity: Applications
Documents related to Pinon Ridge Mill and the application for approval of construction of a tailings facility are available below.
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State/Territory-Designated Top-Priority National Priorities List (NPL) Sites
Section 300.425(c) of the National Contingency Plan allows States or Territories to designate its top-priority site without the need to apply the Hazard Ranking System. Learn about States and Territories that have designated their one top-priority site.
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Superfund: National Priorities List (NPL)
Sites are listed on the Superfund National Priorities List (NPL) upon completion of Hazard Ranking System (HRS) screening, public solicitation of comments about the proposed site, and after all public comments have been addressed.
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Superfund: Remedial Action Project Completion and Construction Completions
Learn about the Superfund Remedial Action Project Completion and Construction Completion phases of site cleanup, milestones that indicate the incremental progress of cleanup efforts.
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Supplementary Information
View supplementary information about Non-Hazard Ranking System (HRS) NPL sites, state/tribal correspondence, the NPL site listing process, sites on the Interim Priorities List (IPL), and sites on the Expanded Eligibility List (EEL).
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Quickscore User's Guide Version 3.2
Access the user guide for Quickscore version 3.2, which provides step-by-step information on how to enter site information into Quickscore and calculate a Hazard Ranking System (HRS) score.
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HRS Subsurface Intrusion Component
Learn about the Hazard Ranking System (HRS) subsurface intrusion (SsI) component and access supporting documents.