25 Pa. Code §§ 240.501 and 240.502
The provisions of these §§240.501 and 240.502 reserved under sections 12 and 13 of the Radon Certification Act (63 P.S. §§ 2012 and 2013); section 302 of the Radiation Protection Act (35 P.S. § 7110.302); and section 1920-A of the Administrative Code (71 P.S. § 510.20).