Corresponding short-term peak exposures during mixer charging operations were estimated to be 5-25 mg/m 3 (2-10 ppm) 15-min time-weighted average in the presence of local exhaust ventilation and 50-103 mg/m 3 (20-41 ppm) 15-min time-weighted average in the absence of local exhaust ventilation.
(Corresponding short-term peak exposures during mixer charging operations; were estimated; to be 5-25 mg) (Corresponding short-term peak exposures during mixer charging operations; to be; 5-25 mg)
Corresponding short-term peak exposures during mixer charging operations Corresponding short-term peak exposures during mixer charging operations
were estimated to be
to be 5-25 mg
5-25 mg