[Code of Federal Regulations]
[Title 40, Volume 19]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR141.28]

[Page 381]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 141--NATIONAL PRIMARY DRINKING WATER REGULATIONS--Table of Contents
 
            Subpart C--Monitoring and Analytical Requirements
 
Sec. 141.28  Certified laboratories.

    (a) For the purpose of determining compliance with Secs. 141.21 
through 141.27, 141.30, 141.40, 141.74 and 141.89, samples may be 
considered only if they have been analyzed by a laboratory certified by 
the State except that measurements for alkalinity, calcium, 
conductivity, disinfectant residual, orthophosphate, pH, silica, 
temperature and turbidity may be performed by any person acceptable to 
the State.
    (b) Nothing in this part shall be construed to preclude the State or 
any duly designated representative of the State from taking samples or 
from using the results from such samples to determine compliance by a 
supplier of water with the applicable requirements of this part.

[45 FR 57345, Aug. 27, 1980; 47 FR 10999, Mar. 12, 1982, as amended at 
59 FR 34323, July 1, 1994; 64 FR 67465, Dec. 1, 1999]