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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I—Environmental Protection Agency |
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SubChapter D—Water Programs |
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Part 141 - National Primary Drinking Water Regulations |
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Subpart Q - Public Notification of Drinking Water Violations |
Appendix C to Subpart Q of Part 141 - —List of Acronyms Used in Public Notification Regulation
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Appendix C to Subpart Q of Part 141—List of Acronyms Used in Public Notification Regulation
CCR Consumer Confidence Report
CWS Community Water System
DBP Disinfection Byproduct
EPA Environmental Protection Agency
GWR Ground Water Rule
HI Hazard Index
HPC Heterotrophic Plate Count
IESWTR Interim Enhanced Surface Water Treatment Rule
IOC Inorganic Chemical
LCR Lead and Copper Rule
MCL Maximum Contaminant Level
MCLG Maximum Contaminant Level Goal
MRDL Maximum Residual Disinfectant Level
MRDLG Maximum Residual Disinfectant Level Goal
NCWS Non-Community Water System
NPDWR National Primary Drinking Water Regulation
NTNCWS Non-Transient Non-Community Water System
NTU Nephelometric Turbidity Unit
OGWDW Office of Ground Water and Drinking Water
OW Office of Water
PFAS Per- and Polyfluoroalkyl Substances
PN Public Notification
PWS Public Water System
SDWA Safe Drinking Water Act
SMCL Secondary Maximum Contaminant Level
SOC Synthetic Organic Chemical
SWTR Surface Water Treatment Rule
TCR Total Coliform Rule
TT Treatment Technique
TWS Transient Non-Community Water System
VOC Volatile Organic Chemical
[65 FR 26035, May 4, 2000, as amended at 71 FR 65653, Nov. 8, 2006; 89 FR 32750, Apr. 26, 2024]