A. Nothing in this title shall be construed so as to:
1. Regulate or control air pollution existing solely within commercial or industrial plants, works, or shops owned by or under the control of the person causing the air pollution; or
2. Prevent normal agricultural soil-cultivation and crop-producing practices which cause dust.
B. No rule adopted in this title shall preempt or nullify any applicable requirement or emission standard in an applicable implementation plan unless the control officer revises the applicable implementation plan in conformance with the requirements of 40 CFR Part 51, subpart F, and the administrator approves the revision.
(Ord. 1993-128 § 1 (part), 1993)