Section 325.51452. Definitions.

(1) "Action level" means a concentration of 0.5 parts formaldehyde per million parts of air (0.5 ppm) calculated as an 8-hour, time-weighted average (TWA) concentration.

(2)    "Authorized person" means any person who is required by work duties to be present in regulated areas or who is authorized to be present in regulated areas by the employer, by these rules, or by the Michigan Occupational Safety and Health Act (MIOSHA), 1974 PA 154, MCL 408.1001 to 408.1094.

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

(4)   "Emergency" means any occurrence, such as an equipment failure, the rupture of containers, or the failure to control equipment, that results in an uncontrolled release of a significant amount of formaldehyde.

(5)   "Employee exposure" means the exposure to airborne formaldehyde that would occur without the use of a respirator.

(6)     "Formaldehyde" means the chemical substance HCHO, chemical abstracts service registry no. 50-00-0.

History: 1990 AACS; 1999 AACS; 2014 AACS; Republished in 2015 MR 8, May 15, 2015 can be referenced to 2014 AACS.