Duties of radon professionals - rules
C.R.S. § 12-165-110
in effect12-165-110. Duties of radon professionals - rules. (1) A licensed radon measurement professional shall:
(a) Conduct all radon measurements in accordance with the applicable ANSI/AARST radon measurement standard or other applicable national consensus radon measurement standard approved by the director;
(b) Maintain a quality control program plan in accordance with the applicable ANSI/AARST standard;
(c) Ensure all radon measurements are conducted by, or under the direct supervision of, a licensed radon measurement professional;
(d) Use and sell only radon measurement devices approved by the proficiency program that certified the licensee; and
(e) Procure all laboratory analysis through a radon laboratory that is approved by a proficiency program.
(2) A licensed radon mitigation professional shall:
(a) Conduct all radon mitigation in accordance with the applicable ANSI/AARST radon mitigation standard or other applicable national consensus radon mitigation standard approved by the director;
(b) Maintain a quality control program plan in accordance with the applicable ANSI/AARST standard;
(c) Ensure all radon mitigation is conducted by, or under the direct supervision of, a licensed radon mitigation professional; and
(d) Modify and repair all radon mitigation systems in accordance with the applicable ANSI/AARST radon mitigation standard.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-12.docx#12-165-110Fetched: 10/6/2026