[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: 40CFR141.27]

[Page 389-390]
 
                   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.  141.27  Alternate analytical techniques.

    (a) With the written permission of the State, concurred in by the 
Administrator of the U.S. EPA, an alternate

[[Page 390]]

analytical technique may be employed. An alternate technique shall be 
accepted only if it is substantially equivalent to the prescribed test 
in both precision and accuracy as it relates to the determination of 
compliance with any MCL. The use of the alternate analytical technique 
shall not decrease the frequency of monitoring required by this part.

[45 FR 57345, Aug. 27, 1980]