Sec. 5. (a) This section does not apply to an individual who is testing for radon gas or engaged in the abatement of radon gas if the individual is:
(1) performing the testing or abatement in a building the individual owns;
(2) performing the testing on an area of land the individual owns; or
(3) conducting scientific research on radon gas testing or abatement in a building or on an area of land and the owner of the building or area of land is not charged for the testing or abatement.
(b) An individual may not engage or profess to engage in:
(1) testing for radon gas; or
(2) abatement of radon gas;
unless the individual is certified under this chapter.