C.R.S. § 12-165-107: Exemptions.

(1) This article 165 does not apply to:

(a) (I) An individual performing radon measurement or radon mitigation on a single-family residence that the individual owns and occupies; or

(II) An individual performing radon measurement on a leased dwelling unit that the individual leases or occupies;

(b) An individual performing radon measurement who assists and is under the direct supervision of a licensed radon measurement professional;

(c) An individual performing radon mitigation who assists and is under the direct supervision of a licensed radon mitigation professional;

(d) An agent of a federal, state, or local government agency acting within the scope of the agent's official capacity;

(e) An individual performing radon measurement or radon mitigation as part of radon training approved by a proficiency program; or

(f) An individual acting within the scope of practice for which the individual is licensed, registered, or certified;