Laws & Regulations
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Significant Deficiencies: Ground Water and Surface Water Significant Deficiencies
Chemical Phase II-V Rules Presentation given by Kendra Morrison at the WWQ/PCA Conference held in Casper, Wyoming in October of 2017.
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Lead Service Line Inventory Continuous Improvement Strategy
Chemical Phase II-V Rules Presentation given by Kendra Morrison at the WWQ/PCA Conference held in Casper, Wyoming in October of 2017.
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Per- and poly-fluoroalkyl substances (PFAS)
Chemical Phase II-V Rules Presentation given by Kendra Morrison at the WWQ/PCA Conference held in Casper, Wyoming in October of 2017.
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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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NPL Guidance/Policy Documents
Access National Priorities List guidance and policy documents.
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Natural Resource Damages: Notification and Coordination Activities
Learn about key notification and coordination procedures throughout the removal and remedial processes as it relates to National Resource Damages.
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Superfund: FYR Memoranda and Fact Sheets
Access memoranda and fact sheets about the Superfund Program's Five Year Review process.
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Secondary Lead Smelting: National Emissions Standards for Hazardous Air Pollutants (NESHAP)
Includes rule history, summary and Federal Register citations for 40 CFR 63 Subpart X.
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Westmoreland San Juan Mining LLC - La Plata Mine Final NPDES Permit No. NM0029505
La Plata Mine - Final NPDES Permit No. NM0029505
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Does the Spill Prevention, Control, and Countermeasure (SPCC) Rule Apply to Your Facility?
Determine SPCC facility applicability
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Semiannual Report to Congress: April 1, 2025–September 30, 2025
Semiannual Report to Congress: April 1, 2025–September 30, 2025
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Water Quality Standards Regulations: West Virginia
Information related to Water Quality Standards for West Virginia.
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Source Reduction Activities by Chemical and Industry
Source Reduction/Pollution Prevention - types of source reduction activities for chemicals and industries with the highest rates of source reduction reporting in the 2023 Toxics Release Inventory National Analysis
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Measuring the Impact of Source Reduction
Decades of TRI data are used in an analysis to measure the impact of source reduction activities on the releases of TRI chemicals. The results show that source reduction has been effective at reducing TRI chemical releases.
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Introduction to the 2023 TRI National Analysis
Introduction to the Toxics Release Inventory National Analysis, including an overview of release and waste management quantities reported.
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Notification: Audit of the EPA’s Fiscal Year 2025 Compliance with the Payment Integrity Information Act of 2019
Notification: Audit of the EPA’s Fiscal Year 2025 Compliance with the Payment Integrity Information Act of 2019
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California's 2012 Section 303(d) List of Impaired Waters
EPA approval of California's 2012 Section 303(d) list of impaired waters in three Regional Water Quality Control Boards and disapproved the omission of mercury impairment at Topaz Lake which met federal listing requirements.
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EPA and CARB Approve Emissions Fix for Audi Diesel 3.0 Liter Diesel Passenger Cars
EPA and CARB to Volkswagen approves emissions Fixes for Audi Diesel 3.0 Passenger Cars. (December 2017)
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Notification: Audit of the EPA’s Approval of Earmark Grant Recipient Payment Requests
Notification: Audit of the EPA’s Approval of Earmark Grant Recipient Payment Requests
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Renewable Fuel Standard (RFS2): Final Rule
The new renewable fuel standards increase the volume of renewable fuel required to be blended into transportation fuel to 36 billion gallons by 2022.