[Code of Federal Regulations]
[Title 40, Volume 22]
[Revised as of July 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR141.54]

[Page 410]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 141_NATIONAL PRIMARY DRINKING WATER REGULATIONS--Table of Contents
 
     Subpart F_Maximum Contaminant Level Goals and Maximum Residual 
                        Disinfectant Level Goals
 
Sec.  141.54  Maximum residual disinfectant level goals for disinfectants.

    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]