Grab Samples (GS) -- Samples that are collected over some number of short periods of time; durations are less than 1 hour ... Condition - 4 hours of exposure; sample at least 3.5 hours: Exposure: 50 ppm for 3.5 hr of 4 hr exposure Assume: 50anbsp;...
|Title||:||Workplace monitoring procedures manual|
|Author||:||United States. Naval Medical Command|