Laws & Regulations
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Region 8 Guidance No. 34: Cement Bond Logging and Interpretation
Region 8 Guidance No. 34: Cement Bond Logging and Interpretation
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Region 8 Radioactive Tracer Survey Guidelines
Region 8 Radioactive Tracer Survey Guidelines
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Region 8 Temperature Logging Guidelines
Region 8 Temperature Logging Guidelines
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Region 8 Guidance No. 40: Plugging and Abandonment Requirements for Class II Injection Wells
Region 8 Guidance No. 40: Plugging and Abandonment Requirements for Class II Injection Wells
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Fact Sheet: Regulatory Determination 2
Read the Fact Sheet for Regulatory Determination 2
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Public Comments for December 11 & 12, 2013 NDWAC Meeting
Comments on drinking water regulations for lead and copper.
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National Contaminant Occurrence Database (NCOD)
This site describes water sample analytical data that EPA is currently using and has used in the past for analysis, rulemaking, and rule evaluation. The data have been checked for data quality and analyzed for national representativeness.
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Six-Year Review 4 Compliance Monitoring Data (2012-2019)
Occurrence data collected under the SYR4 Information Collection Request and from the ARCS data base containing aircraft PWS inventory and sample information.
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Major Elements of Six-Year Review
Learn about the six components EPA uses to evaluate national primary drinking water regulations during a six-year review
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Six-Year Review 3 Frequent Questions and Answers
Six-Year Review 3 Frequent Questions and Answers
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Fact Sheet: Announcement of Completion of EPA's Third Six-Year Review of Existing Drinking Water Standards
The fact sheet contains questions and answers about EPA's third Six-Review of Drinking Water Standards
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Addressing Risk-Balancing Considerations for Six-Year Review of Drinking Water Standards
Addressing Risk-Balancing Considerations for Six-Year Review of Drinking Water Standards
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Drinking Water State Revolving Fund - Statutory Authority and Program Regulation
40 CFR Subpart L—Drinking Water State Revolving Funds Regulation
§35.3500 - §35.3585 -
Materials for November 2023 Webinar on Proposed Regulation of Trichloroethylene under TSCA
Materials page for webinar on risk management for TCE
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Final Rule: Addition of 12 Chemicals to the Toxics Release Inventory
Additions of 12 chemicals to TRI per TURI petition.
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Toxics Use Reduction Institute (TURI) Petition to Add 25 Chemicals to the TRI List
Petition by TURI to add 25 chemicals to the TRI Program chemical list.
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Tribal Consultation Letters - Regions 9 and 10
Provides letters submitted by representatives from federally recognized tribal governments as part of the waters of the US rulemaking tribal consultation
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Tribal Consultation Letters - National Tribal Organization
Provides letters submitted by representatives from federally recognized tribal governments as part of the waters of the US rulemaking tribal consultation
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Underground Injection Control Reporting Forms for State Summary Information
information for State and DI program reporting and links to reporting 7520 forms is provided.