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Water Quality Standards: Zinc
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 secondary standard mg per L (mg/L) | contaminant category | health effects | standard | treatment methods |
|---|---|---|---|---|---|---|
| Zinc | 7440-66-6 | 5 | secondary | Metallic taste; aesthetic | EPA NSDWR | None required at secondary level |
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