Table 6 Exposure limits of heavy metals in indoor settled dust.
Heavy metal | Calculated concentration (µg/g) | Exposure limit (µg/g) | |
|---|---|---|---|
Non-carcinogenic | Cu | 110,806.6 | 110,805.0 |
Mn | 59,930.0 | 59,925.0 | |
Co | 977.6 | 975.0 | |
Zn | 801,778.9 | 801,775.0 | |
Cr | 845,118.3 | 845,115.0 | |
Carcinogenic | Pb | 796.5 | 795.0 |
Cd | 1.7 | 1.5 | |
Ni | 2.5 | 2.0 | |