[Code of Federal Regulations]
[Title 40, Volume 20]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR141.55]

[Page 435]
 
                   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.  141.55  Maximum contaminant level goals for radionuclides.

    MCLGs for radionuclides are as indicated in the following table:

------------------------------------------------------------------------
                 Contaminant                              MCLG
------------------------------------------------------------------------
1. Combined radium-226 and radium-228........  Zero.
2. Gross alpha particle activity (excluding    Zero.
 radon and uranium).
3. Beta particle and photon radioactivity....  Zero.
4. Uranium...................................  Zero.
------------------------------------------------------------------------


[65 FR 76748, Dec. 7, 2000]

    Effective Date Note: At 65 FR 76748, Dec. 7, 2000, Sec.  141.55 was 
added, effective Dec. 8, 2003.