The results of a health hazard evaluation of fruit-fly trappers exposed to Dibrom (300765) were discussed. The work activities of 12 Florida Department of Agricultural and Consumer Services (DACS) employees were monitored while they baited and serviced Dibrom containing fruit-fly traps in South Florida. Breathing zone samples were collected and analyzed for Dibrom. Glove monitors worn by the workers during preparation of the traps were analyzed for Dibrom to evaluate the potential for skin exposure. Bulk samples of the attractant mixtures, freshly baited cotton wicks, and expired cotton wicks were also analyzed for Dibrom. Dibrom was not detected in the breathing zone samples. Dibrom was not detected under gloves latex worn when baiting wicks. Dibrom was detected in 11 of 12 glove monitors worn outside the gloves at exposure rates ranging up to 916.3 micrograms per hour. Fresh cotton wicks baited with 1 or 5% Dibrom contained 30 to 120 milligrams (mg) Dibrom. Expired wicks that had been baited with these preparations contained 35 to 71mg Dibrom. Many of the containers used to bait traps did not seal properly, resulting in leaks and subsequent surface contamination. The author concludes that no inhalation exposure potential during baiting of fruit-fly traps with Dibrom has been detected. Measurable quantities of Dibrom were found on 92% of the sampling glove monitors worn outside the workers gloves, indicating a potential for skin exposure.
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