The requirements of sections 774 and 775 do not apply to any of the following:
1. Personal use. A person performing testing or mitigation on a building owned or inhabited by that person but not for sale at the time that person performs testing or mitigation on that building;
2. New construction. A builder utilizing preventive or safeguarding measures in new construction as specified in the Maine Uniform Building and Energy Code, adopted pursuant to Title 10, chapter 1103;
3. Department employees. Employees of the department in the course of their assigned duties; or
4. Authorized personnel. A person performing testing with the written approval of the department. Registration under section 774 or 775 does not constitute written approval for the purposes of this subsection.