§141.54 Maximum residual disinfectant level goals for disinfectants.

MRDLGs for disinfectants are as follows:

 
------------------------------------------------------------------------
          Disinfectant residual                     MRDLG(mg/L)
------------------------------------------------------------------------
Chlorine................................  4 (as Cl [INF]2[/INF]).
Chloramines.............................  4 (as Cl [INF]2[/INF]).
Chlorine dioxide........................  0.8 (as ClO[INF]2[/INF])
------------------------------------------------------------------------

[63 FR 69465, Dec. 16, 1998]