Table 6 The carcinogenic and non-carcinogenic risk of Cd and Pb at different downwind sites
From: Emission characterizations and environmental impacts of off-road vehicles
0 m | 30 m | 90 m | 150 m | ||
|---|---|---|---|---|---|
Carcinogenic risk | Cd | 6 × 10−12 | 5 × 10−12 | 2 × 10−12 | 6 × 10−13 |
Pb | 0.094 × 10−6 | 0.085 × 10−6 | 0.037 × 10−6 | 0.013 × 10−6 | |
total | 0.094 × 10−6 | 0.085 × 10−6 | 0.037 × 10−6 | 0.013 × 10−6 | |
Non-carcinogenic risk | Cd | 9 × 10−6 | 8 × 10−6 | 3 × 10−6 | 0 |
Pb | 2.1 × 10−5 | 1.9 × 10−5 | 1.1 × 10−5 | 0 | |
total | 3 × 10−5 | 2.7 × 10−5 | 1.4 × 10−5 | 0 |