Table 8.
Mean major element concentrations in PRD normalized to continental crust (Rudnick and Gao, 2003).
| Component | Normalized Road Dust |
|---|---|
| Na | 0.1 |
| Al | 0.1 |
| P | 1.6 |
| K | 0.3 |
| Ca | 0.6 |
| Ti | 0.2 |
| Fe | 0.8 |
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