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Water Quality Standards: Thallium
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) | contaminant category | health effects | standard | treatment methods |
|---|---|---|---|---|---|---|---|
| Thallium | 7440-28-0 | 0.0005 | 0.002 | inorganic | Hair loss; changes in blood; kidney/intestine/liver problems | EPA NPDWR 40 CFR 141 | Activated alumina; ion exchange |
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