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Mean levels of aromatic solvents measured and number of workers at the study sites
| Study site | Number of workers (%) | Concentration (ppm) Benzene Toluene Xylene TLV=0.5 ppm TLV=100 ppm TLV=20 ppm |
Em | Leq (dBA) |
||
|---|---|---|---|---|---|---|
| Quality control | 10 (12.2%) | 2.71 | 79.8 | 21.7 | 9.63 | 75 |
| Oil tanker loading | 29 (35.4%) | 2.71 | 79.8 | 21.7 | 9.63 | 75 |
| Facilities unit | 5 (6.1%) | 2.71 | 79.8 | 21.7 | 9.63 | 74 |
| Fuel position worker | 38 (46.3%) | 1.52 | 4.97 | 2.79 | 3.32 | 75 |
Em, The equivalent exposure for the mixture of solvent exposure
