[Code of Federal Regulations] [Title 40, Volume 3] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR52.71] [Page 109-110] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 52_APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS --Table of Contents Subpart C_Alaska Sec. 52.71 Classification of regions. The Alaska plan was evaluated on the basis of the following classifications: ---------------------------------------------------------------------------------------------------------------- Pollutant ----------------------------------------------------- Air quality control Region Particulate Sulfur Nitrogen Carbon matter oxides dioxide monoxide Ozone ---------------------------------------------------------------------------------------------------------------- Cook Inlet Intrastate..................................... I III III I III. [[Page 110]] Northern Alaska Intrastate................................ I III III I III. South Central Alaska Intrastate........................... III III III III III. Southeastern Alaska Intrastate............................ III III III III III. ---------------------------------------------------------------------------------------------------------------- [37 FR 10848, May 31, 1972, as amended at 48 FR 30625, July 5, 1983]