Sections 75-2-217 and 75-2-218 may not be construed to:
(1) affect the department's issuance of a permit for the construction, installation, alteration, or use of a source of air pollutants pursuant to 75-2-211 or 75-2-215;
(2) restrict the department's authority to adopt regulations providing for a single air quality permit system; or
(3) affect permits, allowances, phase II compliance schedules, or other acid rain provisions under Subchapter IV of the federal Clean Air Act, 42 U.S.C. 7651, et seq.