Table 2.
Occupational Exposure Calculation Parameters
| parameter | description | value | reference | |
|---|---|---|---|---|
| dermal exposure | ||||
| S | average surface area of contact | 1070 cm2 | 41 | |
| Q | amount of materials retained on skin after exposure | liquid: 0.7–2.1 mg/cm2 | 41 | |
| solid: 0.13–0.27 mg/cm2 | ||||
| Fchemical,i | fraction of the chemicals in the substance upon dermal exposure in process i | disposal: | •[LIQUID] 0.95 | 15,21,27,41,42 |
| •[SOLID] 1 | ||||
| postdisposal: negligible incineration: 1 | ||||
| recycling: | •[PLASTIC] 0.0005–0.70 | |||
| •[METAL] 1 | ||||
| •[GLASS] Negligible | ||||
| landfilling: 1 | ||||
| Nexp | number of exposure incidents | 1 incident/day/operator | 41 | |
| inhalation exposure | ||||
| Cexposure,i | concentration of substances in the working area of process i | disposal: | •[LIQUID] 0.01–40 mg/m3 | 11,15,43–;45 |
| •[SOLID] 0.02–0.13 mg/m3 | ||||
| postdisposal: negligible incineration: 15 mg/m3 | ||||
| recycling: | •[PLASTIC] 15 mg/m3 | |||
| •[METAL] 0.55–77.8 ng/m3 | ||||
| landfilling: 11–7200 mg/m3 | •[GLASS] 0.18 mg/m3 | |||
| rbreathing | rate of breathing | 1.25 m3/h | 40 | |
| texposure | time of exposure | 8 h | 40 | |
| Fmaterial,volatile,i | fraction of volatile material of concern in the inhaled substance from process i | disposal: | •[LIQUID] 0.95 | 21,46,47 |
| •[SOLID] 1 | ||||
| postdisposal: negligible incineration: 1 | ||||
| recycling: | •[PLASTIC] 0.0005–0.70 | |||
| •[METAL] 1 | ||||
| •[GLASS] 1 | ||||
| landfilling: 1 | ||||