['Water Programs']
['Maximum Contaminant Levels', 'Water Quality', 'Safe Drinking Water']
05/03/2022
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MRDLGs for disinfectants are as follows:
| Disinfectant residual | MRDLG(mg/L) |
| Chlorine | 4 (as Cl 2) |
| Chloramines | 4 (as Cl 2) |
| Chlorine dioxide | 0.8 (as ClO2) |
[63 FR 69465 Dec. 16, 1998]
