(a) For the purposes of this section and sections 20-420 and 20-432, the following terms shall have the following meanings unless the context clearly denotes otherwise:

(1) “Radon diagnosis” means evaluating buildings found to have levels of radon gas that are higher than the guidelines promulgated by this state or the United States Environmental Protection Agency and recommending appropriate remedies to eliminate radon.

(2) “Radon mitigation” means taking steps including, but not limited to, installing ventilation systems, sealing entry routes for radon gas and installing subslab depressurization systems to reduce radon levels in buildings.

(3) “Analytical measurement service providers” means companies or individuals that have their own analysis capability for radon measurement but may or may not offer measurement services directly to the public.

(4) “Residential measurement service providers” means individuals that offer services that include, but are not limited to, detector placement and home inspection and consultation but do not have their own analysis capability and utilize the services of an analytical measurement service provider for their detector analysis.

(5) “Residential mitigation service providers” means individuals that offer services that include, but are not limited to, radon diagnosis or radon mitigation.

(b) The Department of Public Health shall maintain a list of companies or individuals that are included in current lists of national radon proficiency programs that have been approved by the Commissioner of Public Health.

(c) The Department of Public Health may adopt regulations, in accordance with chapter 54, concerning radon in drinking water that are consistent with the provisions contained in 40 C.F.R. § part 141 and 142.