Categories for level and probability of exposure defined in the JEM for the studied substances and assigned values
| Substances | Level categories | Probability categories | |||||
|---|---|---|---|---|---|---|---|
| Cut off points1-150 | Assigned value | Cut off points (%) | Assigned value | ||||
| Leather dust | Low | 1.00 | 10–50 | 0.30 | |||
| Medium | 2.00 | 50–90 | 0.70 | ||||
| High | 3.00 | >90 | 1.00 | ||||
| Wood dust | <1 | 0.50 | 10–50 | 0.30 | |||
| 1–5 | 3.00 | 50–90 | 0.70 | ||||
| >5 | 9.00 | >90 | 1.00 | ||||
| Formaldehyde | <0.25 | 0.15 | 1–10 | 0.05 | |||
| 0.25–1.00 | 0.65 | 10–50 | 0.30 | ||||
| >1.00 | 3.00 | 50–90 | 0.70 | ||||
| >90 | 1.00 | ||||||
| Flour dust | <0.5 | 0.25 | 1–10 | 0.05 | |||
| 0.5–5 | 3.00 | 10–90 | 0.50 | ||||
| >5 | 10.0 | >90 | 1.00 | ||||
| Coal dust | <0.3 | 0.15 | 1–10 | 0.05 | |||
| 0.3–2 | 1.20 | 10–90 | 0.50 | ||||
| >2 | 5.00 | >90 | 1.00 | ||||
| Silica | <0.01 | 0.005 | 1–10 | 0.05 | |||
| 0.01–0.1 | 0.050 | 10–90 | 0.50 | ||||
| >0.1 | 0.200 | >90 | 1.00 | ||||
| Textile dust | <0.05 | 0.025 | 1–10 | 0.05 | |||
| 0.05–0.5 | 0.250 | 10–90 | 0.50 | ||||
| >0.5 | 1.500 | >90 | 1.00 | ||||
↵1-150 Wood dust, flour dust, coal dust, silica, textile dust (mg/m3), and formaldehyde (ppm).