Benzene exposure in a Japanese petroleum refinery.
Time-weighted average (TWA) intensity of exposure of workers to benzene vapor during a shift was monitored by diffusive sampling technique in a Japanese petroleum refinery. The subjects monitored (83 in total) included refinery operators, laboratory personnel and tanker-loading workers. The results showed that the time-weighted average exposures are well below 1 ppm in most cases. The highest exposure was recorded in 1 case involved in bulk loading of tanker ships, in which exposure of over 1 ppm might take place depending on operational conditions. The observation was generally in agreement with levels previously reported.
Kawai
T
T
Osaka Occupational Health Service Center, Japan.
Yamaoka
K
K
Uchida
Y
Y
Ikeda
M
M
D001554:Benzene / Q000032:analysis*; D004781:Environmental Exposure; D004784:Environmental Monitoring; D006801:Humans; D007564:Japan; D008452:Maximum Allowable Concentration; D010578:Petroleum
D010578:Petroleum; D001554:Benzene