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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Am J Ind Med. 2015 Nov 2;58(12):1235–1245. doi: 10.1002/ajim.22533

FIGURE 1.

FIGURE 1

Mean 2,3-pentanedione and diacetyl air sampling results (OSHA method 1012) by location at coffee processing facility, NIOSH industrial hygiene survey, November 2012. Offices-nonproduction includes reception area; warehouse includes the green coffee warehouse and finished goods warehouse; offices-production category also includes corridor, break room, and maintenance room air samples; grinding/packaging room category also includes the tea machine and hold room air samples; all-over includes material handlers and maintenance technicians. LEV, local exhaust ventilation; ppb, parts per billion.