[Code of Federal Regulations]
[Title 40, Volume 22]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR147.302]

[Page 806]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 147_STATE UNDERGROUND INJECTION CONTROL PROGRAMS--Table of Contents
 
                           Subpart G_Colorado
 
Sec. 147.302  Aquifer exemptions.

    (a) This section identifies any aquifers of their portions exempted 
in accordance with Sec. Sec. 144.7(b) and 146.4 of this chapter at the 
time of program promulgation. EPA may in the future exempt other 
aquifers or portions according to applicable procedures without 
codifying such exemptions in this section. An updated list of exemptions 
will be maintained in the Regional office.
    (b) For all aquifers into which existing Class II wells are 
injecting, those portions within a \1/4\ mile radius of the well are 
exempted for the purpose of Class II injection activities only.