- (a) Contaminant means any material which by reason of its action upon, within, or to a person is likely to cause physical harm.
- (b) Lanyard means a rope, suitable for supporting one person. One end is fastened to a safety belt or harness and the other end is secured to a substantial object or a safety line.
- (c) Lifeline means a rope, suitable for supporting one person, to which a lanyard or safety belt (or harness) is attached.
- (d) O.D. means optical density and refers to the light refractive characteristics of a lens.
- (e) Radiant energy means energy that travels outward in all directions from its sources.
- (f) Safety belt means a device, usually worn around the waist which, by reason of its attachment to a lanyard and lifeline or a structure, will prevent a worker from falling.
[44 FR 8577, Feb. 9, 1979]