What are the new tiers of certification I am hearing about?
An additional credential is under development for measurement professionals who conduct surveys in large buildings or multiple building complexes. The basic residential measurement credential will be one prerequisite for the new credential. Additional credentials are under development for mitigation professionals who treat large buildings, such as schools and commercial buildings, and for those who plan to treat radon in water. The basic residential mitigation credential will be a prerequisite for the new credentials.