Last data update: Sep 23, 2024. (Total: 47723 publications since 2009)
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Query Trace: Duchon KK [original query] |
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Adjusted fluoride concentrations and control ranges in 34 states - 2006-2010 and 2015
Barker LK , Duchon KK , Lesaja S , Robison VA , Presson SM . J Am Water Works Assoc 2017 109 (8) 13-25 To inform selection of a control range around the Public Health Service's recommended 0.7 mg/L drinking water fluoride concentration to prevent tooth decay, the Centers for Disease Control and Prevention's Water Fluoridation Reporting System data for 2006-2010 and 2015 were analyzed. Monthly average concentration data from 4,251 fluoride-adjusted community water systems for 191,266 of 255,060 system-months (2006-2010) were compared with control ranges 0.6 mg/L to 0.2 mg/L wide. Percentages of system-months within control ranges ≥0.4 mg/L wide (e.g., +/-0.2 mg/L) were >83% versus 68% for 0.2 mg/L wide (+/-0.1 mg/L). In 2015, 70% of adjusted systems maintained averages within +/-0.1 mg/L of their system's annual average for nine of 12 months, 67% used the 0.7 mg/L target and 45% used it with a +/-0.1 mg/L control range. Adoption of the 0.7 mg/L target was underway but not completed in 2015. Control ranges narrower than +/-0.2 mg/L may be feasible for monthly average fluoride concentration. |
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