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Water Quality Standards: Fluoride
EPA and WHO drinking water quality standards — MCLs, MCLGs, WHO guideline values, secondary standards, health effects, and treatment methods for regulated contaminants
| contaminant | CAS number | EPA MCLG mg per L (mg/L) | EPA MCL mg per L (mg/L) | EPA secondary standard mg per L (mg/L) | WHO guideline mg per L (mg/L) | contaminant category | health effects | standard | treatment methods |
|---|---|---|---|---|---|---|---|---|---|
| Fluoride | 16984-48-8 | 4 | 4 | 2 | 1.5 | inorganic | Bone disease; mottled teeth in children at high exposure | EPA NPDWR 40 CFR 141; WHO GDWQ 4th Ed. | Activated alumina; reverse osmosis; electrodialysis |
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