Section 325.2402. General definitions.

Rule 2.  As used in these rules:

(a)    "Aerosol" means particulate matter suspended in air.

(b)            "Contaminant" means an airborne material capable of  causing occupational disease or significant physiological disturbances to a person, and includes, but is not limited to, the substances listed in R 325.2413 to R 325.2419.

(c)     "Director" means the  director  of  the   department  of  consumer  and industry services or the designee of the director.

(d)       "Employer" means an individual or type of organization    which    has   in its employ 1 or more individuals performing services for it.

(e)     "Gas" means a normally formless fluid which occupies  a  space  or enclosure and which can be changed to the liquid or solid state by the effect of increased pressure or decreased temperature, or both.

(f)    "Inert gas" means a gas or vapor which acts primarily as a simple asphyxiant without other significant physiological effect, recognizing that an inert gas may have flammable or explosive characteristics.

(g)        "Inert  particulate"  means  an  aerosol  which  does   not    produce significant organic disease or toxic effect in a lung-tissue  reaction  from any of the following:

(i)     The architecture of the air spaces remains intact.

(ii)     Collagen (scar tissue) is not formed to a significant extent.

(iii)     The tissue reaction is potentially reversible.

(h)     "Particulate matter" means fine solid or liquid particles.

(i)     "Physical agent" means  a  form   of  energy   transmitted  directly  or through the air from the point of emission to the receiver.

(j)     "Vapor" means the gaseous state of a substance.

History: 1979 AC; 2003 AACS.