Table 2 Summary of ethyl benzene and xylene 8-h time-weighted average concentrations in the first and second weeks (unit: ppm)
ContaminantFirst week (n51)Second week (n48)
Ethyl benzene32 (9.6570)119 (36197)
Xylene18 (6.9235)171 (53315)
  • Median (Q25Q75). Sample sizes vary by exposure measure because workers were absent.