West Virginia Code Chapter 16. Public Health § 16-34-4. Special licensure requirements

(1) Perform radon mitigation without the direct on-site supervision of a licensed radon mitigation specialist;

(2) Provide radon testing other than through the employment of a licensed radon tester or mitigation specialist;

(3) Provide advice regarding radon testing, radon exposure or the health risks associated with radon exposure other than through the employment of a licensed radon tester or mitigation specialist; or

(4) Provide advice regarding radon mitigation or radon entry routes other than through the employment of a licensed radon mitigation specialist.

(b)(1) No licensed radon tester, licensed radon mitigation specialist or licensed radon mitigation contractor involved in the testing of a particular building, or in the provision of advice with respect to a particular building, may be involved in the performance of mitigation on that building unless the contract for mitigation is in writing and clearly and conspicuously states both of the following in language approved by the director:

(2) For purposes of this subsection, a radon tester, mitigation specialist or mitigation contractor involved in testing or providing advice with respect to a particular building will be considered to be “involved in the performance of mitigation on that building” if he or she has any ownership interest in, or has any contractual or employment relationship with, the individual or entity providing the mitigation.