Time-weighted average 2-butoxyethanol exposures have ranged from 1.1 to 5.4 ppm (5.3-26.1 mg/m 3 ), with an average of 3.5 ppm (16.9 mg/m 3 ), for silk screening;
(Time-weighted average 2-butoxyethanol exposures; have ranged; from 1.1; to 5.4 ppm)
Time-weighted average 2-butoxyethanol exposures
have ranged
from 1.1 to 5.4 ppm