TITLE 40 - PROTECTION OF ENVIRONMENT

CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY

PART 52 - APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS

subpart rr - TENNESSEE

52.2221 - Classification of regions.

The Tennessee plan was evaluated on the basis of the following classifications: ---------------------------------------------------------------------------------------------------------------- Pollutant ---------------------------------------------------------- Air quality control region Photochemical Particulate Sulfur Nitrogen Carbon oxidants matter oxides dioxide monoxide (hydrocarbons) ---------------------------------------------------------------------------------------------------------------- Eastern Tennessee-Southwestern Virginia Interstate... I I III III III Tennessee River Valley-Cumberland Mountains I I III III III Intrastate..........................................

Middle Tennessee Intrastate.......................... I II III III I Western Tennessee Intrastate......................... I III III III III Chattanooga Interstate............................... I II III III III Metropolitan Memphis Interstate...................... I III III III I ---------------------------------------------------------------------------------------------------------------- [37 FR 10894, May 31, 1972, as amended at 39 FR 16347, May 8, 1974]