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Table 2 Measurements in the work environment

From: Reticulocytosis in screen-printing workers exposed to 2-butoxyethanol and 2-ethoxyethanol

Measured Solvent OEL
(TWA, ppm)
Measurement
Second half of 2015 (ppm)
Measurement
First half of 2016 (ppm)
Primary operator Secondary operator Primary operator Secondary operator
2-Butoxyethanol 20 1.408 2.056 3.350 3.099
2-Ethoxyethanol 5 NE NE 2.578 2.507
Ethylbenzene 100 3.451 2.904 3.994 4.110
Xylene 100 1.351 1.559 1.815 2.727
Cyclohexanone 25 3.704 2.847 1.507 3.024
Trimethylbenzene 25 0.016 ND 0.327 0.491
Isopropyl alcohol 200 NE NE 0.484 0.418
Methyl isobutyl ketone 50 ND ND NE NE
Toluene 50 ND ND NE NE
  1. NE not measured, ND not detectable, OEL occupational exposure limit, TWA time-weighted average