NIPDWR

AcronymDefinition
NIPDWRNational Interim Primary Drinking Water Regulation
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Annual Average of NIPDWR Recommended Control Limits Maximum Daily Air Fluoride Concentrations in mg/L Temperature ([degrees]F) (maximum allowable) Low Optimum Upper Maximum Contaminant Level 50.0 to 53.7 1.1 1.2 1.3 2.4 53.8 to 58.3 1.0 1.1 1.2 2.2 58.4 to 63.8 0.9 1.0 1.1 2.0 63.9 to 70.6 0.8 0.9 1.0 1.8 70.7 to 79.2 0.7 0.8 0.9 1.6 79.3 to 90.5 0.6 0.7 0.8 1.4 Source: Technical Bulletin MED 576 (50) Note: The values in this table precedes the finalization of the Safe Water Drinking Act.