[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: 40CFR144.60] [Page 718] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 144_UNDERGROUND INJECTION CONTROL PROGRAM--Table of Contents Subpart F_Financial Responsibility: Class I Hazardous Waste Injection Wells Sec. 144.60 Applicability. Source: 49 FR 20186, May 11, 1984, unless otherwise noted. (a) The requirements of Sec. Sec. 144.62, 144.63, and 144.70 apply to owners and operators of all existing and new Class I Hazardous waste injection wells, except as provided otherwise in this section.