New Jersey Statutes Title 26. Health and Vital Statistics 26 § 2D-72

Beginning 90 days after the establishment of the certification programs by the Department of Environmental Protection pursuant to sections 1 and 2 of this act,  1 no person who is not certified pursuant to section 1 or section 2 of this act, as appropriate, shall test for, or mitigate or safeguard a building from, the presence of radon gas and radon progeny. The provisions of this section shall not apply to a person performing this testing or mitigation on a building which he owns, or to a person performing testing or mitigation without remuneration.