[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: 40CFR142.46]

[Page 596]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 142--NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION--Table of Contents
 
 Subpart E--Variances Issued by the Administrator Under Section 1415(a) 
                               of the Act
 
Sec. 142.46  Alternative treatment techniques.

    The Administrator may grant a variance from any treatment technique 
requirement of a national primary drinking water regulation to a 
supplier of water, whether or not the public water system for which the 
variance is requested is located in a State which has primary 
enforcement responsibility, upon a showing from any person that an 
alternative treatment technique not included in such requirement is at 
least as efficient in lowering the level of the contaminant with respect 
to which such requirements was prescribed. A variance under this 
paragraph shall be conditioned on the use of the alternative treatment 
technique which is the basis of the variance.