Section 325.51852. Definitions.

Rule 2. As used in these rules:

(a)   “Action level” (AL) means an airborne concentration of cadmium of 2.5 micrograms per cubic meter of air (2.5 µg/ m3), calculated as an 8-hour, time-weighted average (TWA).

(b)   “Authorized person” means a person who is authorized by an employer, and who is required by work duties, to be present in a regulated area, or a person who is authorized under 1974 PA 154, MCL 408.1001 to 408.1094, and regulations issued under 1974 PA 154 to be in a regulated area for the purpose of conducting an authorized investigation.

(c)   ”Competent person” means a person who is designated by an employer to act on the employer’s behalf, who is capable of identifying existing and potential cadmium hazards in the workplace and the proper methods to control the hazards to protect workers, and who has the authority necessary to take prompt corrective measures to eliminate or control such hazards. See R 325.51884 for the duties of a competent person.

(d)       “Construction industry” means employers whose operations involve the construction, alteration, maintenance, repair, and demolition of a facility. Construction work includes any of the following:

(i)   The wrecking, demolition, or salvage of structures where cadmium or materials that contain cadmium are present.

(ii)    The use of cadmium-containing paints and cutting, brazing, burning, grinding, or welding on surfaces that are painted with cadmium-containing paints.

(iii)      The construction, alteration, repair, maintenance, or renovation of structures, substrates, or portions thereof that contain cadmium or materials that contain cadmium.

(iv)   Cadmium welding or cutting of cadmium-plated steel and brazing or welding with cadmium alloys.

(v)   The installation of products that contain cadmium.

(vi)    Electrical grounding with cadmium welding and electrical work using cadmium- coated conduit.

(vii)   Maintaining or retrofitting cadmium-coated equipment.

(viii)   Cadmium contamination cleanup and emergency operations that involve cadmium.

(ix)   The transportation, disposal, storage, or containment of cadmium or materials, that contain cadmium on the site or location at which construction activities are performed.

(e)      “Director” means the director of the Michigan department of licensing and regulatory affairs or his or her designee.

(f)   “Employee exposure” means the exposure to airborne cadmium that would occur if the employee were not using respiratory protective equipment.

(g)   “Final medical determination” means the written medical opinion of the employee’s health status by   the  examining  physician  under  R 325.51870  to  R 325.51876,  and R 325.51877 if the review is by more than 1 physician, or R 325.51877(5) if the alternative physician determination is invoked. It is the final, written medical finding, recommendation, or determination that emerges from the medical surveillance process.

(h)    “High-efficiency particulate air (HEPA) filter” means a filter that is capable of trapping and retaining not less than 99.97% of mono-dispersed particles that are 0.3 micrometers in diameter.

(i)   “Regulated area” means an area which is demarcated by an employer and in which an employee’s exposure to airborne concentrations of cadmium exceeds, or can reasonably be expected to exceed, the permissible exposure limit (PEL).

History: 1993 AACS; 1998 AACS; 2013 AACS.