(1) No person shall engage in the practice of construction blasting unless licensed or working under the supervision of a person licensed by the bureau as a construction blaster, unless specifically exempt under 37-72-201 , MCA.

(2) The following construction blasters' licenses are issued:

(a) Class 1 -- construction -- blasting for all types of construction except demolition (see Class 3) .

(b) Class 2 -- construction -- restricted blasting for construction with blast designs up to millisecond delay systems and single initiation source.

(c) Class 3 -- demolition -- blasting for reducing, destroying or weakening any residential, commercial or other building or structure.

(d) Class 4 -- utility -- blasting not exceeding ten pounds of explosives and generally limited to single hole, single shot applications.

(3) The bureau shall issue a construction blaster's license to each applicant who:

(a) submits a completed application form supplied by the bureau with applicable fees;

(b) meets the requirements of 37-72-301 , MCA;

(c) has successfully completed a training program approved by the bureau in accordance with ARM 24.131.405;

(d) has two year's field experience in construction blasting; and

(e) achieves a grade of 80 percent or higher on an examination administered by the bureau based upon the adopted standards and regulations regarding the use of explosives.

(4) Construction blasters' licenses are not transferable and must be renewed on or before the date set by ARM 24.101.413. The provisions of ARM 24.101.408 and 24.101.414 apply.

(5) A license, certificate, or permit issued by another state or an agency of the United States will be recognized and an appropriate construction blaster's license issued if the bureau determines that the requirements are equivalent to those in 37-72-302 , MCA.