A case of multiple myeloma in a poultry worker

Table 2 Results of the exposure reenactment at the farm

Organic solvent	Method^*	Time^†	TWA^‡	STEL^§	Concentration (ppm)
Formaldehyde	Personal	13:30–14:30	0.5	1	17.53
Benzene	Personal	13:30–14:30	1	5	Trace

^*Sampling method.
^†Sampling duration.
^‡Time-weighted average suggested in the Korean Industrial Safety and Health Act.
^§Short-term exposure limit suggested in the Korean Industrial Safety and Health Act.

ISSN: 2052-4374