In this subchapter:
(1) "Asbestos" means the asbestiform varieties of chrysotile, amosite, crocidolite, tremolite, anthophyllite, and actinolite.
(2) "Contractor" means a person who constructs, repairs, or maintains a public building as an independent contractor. The term includes a subcontractor.
(3) "Public building" means a building used or to be used for purposes that provide for public access or occupancy. The term does not include:
(A) an industrial facility to which access is limited principally to employees of the facility because of processes or functions that are hazardous to human safety or health;
(B) a federal building or installation;
(C) a private residence;
(D) an apartment building with not more than four dwelling units; or
(E) a manufacturing facility or building that is part of a facility to which access is limited to workers and invited guests under controlled conditions.