Support Documents for EPA’s Third Review of Existing Drinking Water Standards
The support documents for the third Six-Year Review of National Primary Drinking Water Standards contain extensive information including:
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The protocol for conducting the review,
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Contaminant health effects,
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Availability of improved laboratory analytical methods,
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Occurrence of regulated contaminants in source water and public water systems,
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Availability of improved water treatment processes, and
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Consideration of other regulatory revisions.
- EPA Protocol for the Third Review of Existing National Primary Drinking Water Regulations (pdf)
- The Data Management and Quality Assurance/Quality Control Process for the Third Six-Year Review Information Collection Rule Dataset (pdf)
- Chemical Contaminant Summaries for the Third Six-Year Review of Existing National Primary Drinking Water Regulations (pdf)
- Six-Year Review 3 - Health Effects Assessment for Existing Chemical and Radionuclide National Primary Drinking Water Regulations - Summary Report (pdf)
- Analytical Feasibility Support Document for the Third Six-Year Review of Existing National Primary Drinking Water Regulations: Chemical Phase Rules and Radionuclides Rules (pdf)
- Development of Estimated Quantitation Levels for the Third Six-Year Review of National Primary Drinking Water Regulations (Chemical Phase Rules) (pdf)
- Analysis of Occurrence Data from the Third Six-Year Review of Existing National Primary Drinking Water Regulations: Chemical Phase Rules and Radionuclides Rules (pdf)
- Occurrence Analysis for Potential Source Waters for the Third Six-Year Review of National Primary Drinking Water Regulations (pdf)
- Consideration of Other Regulatory Revisions in Support of the Third Six-Year Review of the National Primary Drinking Water Regulations (pdf)
- Support Document for the Third Six-Year Review of Drinking Water Regulations for Acrylamide and Epichlorohydrin (pdf)
- Six-Year Review 3 Technical Support Document for Chlorate (pdf)
- Six-Year Review 3 Technical Support Document for Microbial Contaminant Regulations (pdf)
- Six-Year Review 3 Technical Support Document for Nitrosamines (pdf)
- Appendices to the Six-Year Review 3 Technical Support Document for Nitrosamines (pdf)
- Six-Year Review 3 Technical Support Document for Disinfectants/Disinfection Byproducts Rules (pdf)
- Six-Year Review 3 Technical Support Document for Long-Term 2 Enhanced Surface Water Treatment Rule (pdf)