Table 4:
Unit Risk Values for PM2.5, As, Cd, Cr, Pb, and Ni
| Pollutant | Unit Risk (Per μg/m3) |
|---|---|
| PM2.5 | 0.008 |
| Arsenic | 0.0043 |
| Cadmium | 0.0018 |
| Chromium | 0.012 |
| Lead | 0.000012 |
| Nickel | 0.00048 |
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