View all text of Subpart D [§ 52.119 - § 52.153]

§ 52.121 - Classification of regions.

The Arizona plan is evaluated on the basis of the following classifications:

AQCR (constituent counties) Classifications PM SOXNO2CO O3Maricopa Intrastate (Maricopa)IIIIIIIII Pima Intrastate (Pima)IIIIIIIIIII Northern Arizona Intrastate (Apache, Coconino, Navajo, Yavapai)IIIIIIIIIIIII Mohave-Yuma Intrastate (Mohave, Yuma)IIIIIIIIIIIII Central Arizona Intrastate (Gila, Pinal)IIAIIIIIIIII Southeast Arizona Intrastate (Cochise, Graham, Greenlee, Santa Cruz)IIAIIIIIIIII
[83 FR 42219, Aug. 21, 2018]