The following subparts of 40 CFR 93, Determining Conformity of Federal Actions to State or Federal Implementation Plans, and all accompanying appendices, adopted as of July 1, 1994, and no future editions, are incorporated by reference. These standards are on file with the Office of the Secretary of State and with the Department and shall be applied by the Department.
Subpart B - Determining Conformity of General Federal Actions to State or Federal Implementation Plans (58 FR 63253, November 30, 1993).
Ariz. Admin. Code § R18-2-1438