[Code of Federal Regulations] [Title 40, Volume 8] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR62.631] [Page 351] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 62--APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS--Table of Contents Subpart D--Arizona Sec. 62.631 Identification of sources. The plan applies to existing HMIWI for which construction was commenced on or before June 20, 1996, as described in 40 CFR part 60, subpart Ce.