Section 325.51402. Definitions.

Rule 2.  (1) For purposes of this standard, the following definitions shall apply:

(a)   “Action level” means a concentration of vinyl chloride of 0.5 ppm averaged over an 8-hour work day.

(b)    “Authorized person” means any person specifically authorized by the employer whose duties require him or her to enter a regulated area or any person entering an area as a designated representative of employees for the purpose of exercising an opportunity to observe monitoring and measuring procedures.

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

(d)   “Emergency” means any occurrence such as equipment failure, or operation of a relief device which is likely to, or does, result in massive release of vinyl chloride.

(e)     “Fabricated product” means a product made wholly or partly from polyvinyl chloride, and which does not require further processing at temperatures, and for times, sufficient to cause mass melting of the polyvinyl chloride resulting in the release of vinyl chloride.

(f)  “Hazardous operation” means an operation, procedure, or activity where a release of either vinyl chloride liquid or gas might be expected as a consequence of the operation or because of an accident in the operation, which would result in an employee exposure in excess of the permissible exposure limit.

(g)   “Polyvinyl chloride” means polyvinyl chloride homopolymer or copolymer before conversion to a fabricated product.

(h)   “Vinyl chloride” means vinyl chloride monomer.

History: 2000 AACS; 2013 AACS.