(a) Siting regulations.--No license or permit to construct, alter, own or operate a commercial low-level radioactive waste compactor shall be issued until the Environmental Quality Board has promulgated siting regulations for such facilities. No such license or permit shall be issued unless the applicant has demonstrated with clear and convincing evidence that the site selected for the commercial compactor satisfies the siting regulations. This subsection shall not apply to any commercial compactor facility which obtained a license from the United States Nuclear Regulatory Commission authorizing operation pursuant to the Atomic Energy Act of 1954¹ prior to the effective date of this act, provided that such compactor facility shall comply with all applicable Federal and State requirements relating to operations and monitoring and shall obtain all applicable State environmental permits. For purposes of this section, a commercial compactor is any compactor of low-level waste except:

(b) Nonexclusive.--Nothing in this act shall preempt or prevent any political subdivision from enacting or enforcing ordinances otherwise within its powers to enact which are adopted pursuant to the political subdivisions' powers reserved under the act of January 8, 1960 (1959 P.L. 2119, No. 787),² known as the Air Pollution Control Act, and other environmental protection statutes of this Commonwealth.