AIR QUALITY CONTROL GENERAL PERMIT FOR …
Plants, authorized under Arizona Administrative Code (A.A.C.) R18-2-501 through 511 and Arizona Revised Statutes (A.R.S.) §49-426. Owners/operators of crushing and screening plants for non-metallic minerals as defined in 40 CFR 60.671 may obtain ... the permitted crushing and screening plant, the concrete batch plant will require a separate ...