(1) Only certified contractors may:

(a) perform a contamination assessment and decontamination work and dispose of contaminated material pursuant to this subchapter;

(b) file a work plan with, and obtain written approval of the plan from, the department prior to beginning a decontamination project;

(c) perform all work in accordance with the department-approved work plan; and

(d) have final clearance sampling conducted by an independent certified contractor who is not employed by the certified contractor performing the decontamination work.

(2) Department approval of a work plan does not relieve a certified contractor from compliance with any other applicable requirements including, but not limited to, state and local building codes, occupational safety and health standards, and the solid waste, hazardous waste, and asbestos requirements in ARM Title 17, chapters 50, 53, and 74.