Table 3 VOC exposure guideline values from Health and Safety Executive (HSE) 8-h workplace exposure limits, occupational safety and health administration (OSHA), and National Institute for Occupational Safety and Health (NIOSH).
|  | HSE, ppmv | HSE, mgm−3 | OSHA. ppm | NIOSH, ppm |
|---|---|---|---|---|
2-Hydroxypropyl acrylate | 0.5 | 2.7 | Â | Â |
Benzene | 1 | 3.25 | 1 | 0.1 |
Formaldehyde | 2 | 2.5 | 0.75 | 0.016 |
Methacrylic acid | 20 | 72 | Â | Â |
Methyl methacrylate | 50 | 208 | Â | Â |
Phenol | 2 | 7.8 | 5 | 5 |
Propan-1-ol | 200 | 500 | Â | Â |
Propan-2-ola | 400 | 999 | Â | Â |
Styrene | 100 | 430 | 50 | 50 |
Toluene | 50 | 191 | 10 | 100 |
Xylenes | 50 | 220 | 100 | 100 |