View all text of Subpart F [§ 141.50 - § 141.55]

§ 141.54 - Maximum residual disinfectant level goals for disinfectants.

MRDLGs for disinfectants are as follows:

Disinfectant residual MRDLG(mg/L)
Chlorine4 (as Cl 2).
Chloramines4 (as Cl 2).
Chlorine dioxide0.8 (as ClO2)
[63 FR 69465, Dec. 16, 1998]