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Water Quality Standards: Xylenes (total)
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) | WHO guideline mg per L (mg/L) | contaminant category | health effects | standard | treatment methods |
|---|---|---|---|---|---|---|---|---|
| Xylenes (total) | 1330-20-7 | 10 | 10 | 0.5 | organic | Nervous system damage | EPA NPDWR 40 CFR 141; WHO GDWQ 4th Ed. | Granular activated carbon; packed tower aeration |
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