APPLICABILITY

Parts 4620.7000 to 4620.7950 apply to any person who performs a service for compensation to detect the presence of radon in the indoor atmosphere, performs laboratory analysis of radon measurement samples, or performs a service to mitigate radon in the indoor atmosphere. Parts 4620.7000 to 4620.7950 also apply to radon mitigation systems installed on or after January 1, 2019.