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Percentage of occupational group exposures (n = 12) higher than TLV *
| Occupational Group | Benzene TLV = 0.5ppm | Toluene TLV = 20ppm | ||||
|---|---|---|---|---|---|---|
| October | November | December | October | November | December | |
| Cutting | 83.3% | 100% | 100% | 16.7% | 50% | 50% |
| Modeling | 100% | 91.7% | 100% | 41.7% | 50% | 50% |
| Fitting | 100% | 100% | 91.7% | 33.3% | 41.7% | 33.3% |
| Finishing | 83.3% | 100% | 100% | 16.7% | 50% | 41.7% |
Threshold limit value (TLV) based on the ACGIH criteria for chemical substances
