Posted: May 21st, 2022
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You are asked to evaluate employees’ exposures to methyl
n-amyl ketone during a painting operation. After careful consideration, you
choose NIOSH Method 2553 for the sampling. (Attached)
Your pre-sampling and post-sampling pump calibrations using
a primary standard are both 0.05 L/min. You collect personal samples on two
employees working in the operation. The samples are collected for 430 minutes
(Sample 1) and 440 minutes (Sample 2).
Calculate
the sample volumes for each of the samples.
Please show your work.
Reference
P. M. Eiler &
M. E. Cassinelli (Eds.), NIOSH manual of analytical methods (4th
ed.). Centers for Disease Control and Prevention. http://www.cdc.gov/niosh/docs/2003-154/pdfs/2553.pdf
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