[Code of Federal Regulations]

[Title 40, Volume 22]

[Revised as of July 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR141.54]



[Page 433]

 

                   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]