The purpose of this chapter is to protect the public health and public interest by establishing a comprehensive program to reduce exposure to radon/radon progeny levels in public and high priority buildings and to ensure that all radon/radon progeny mitigation activity in these buildings is conducted only by appropriately trained and licensed/certified personnel. The goal of this chapter is to reduce the incidence of lung cancer due to radon/radon progeny exposure in Rhode Island to the greatest extent feasible.