Table 4.
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