[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: 40CFR146.31] [Page 717] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 146_UNDERGROUND INJECTION CONTROL PROGRAM: CRITERIA AND STANDARDS--Table of Contents Subpart D_Criteria and Standards Applicable to Class III Wells Sec. 146.31 Applicability. This subpart establishes criteria and standards for underground injection control programs to regulate Class III wells. [[Page 718]]