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Particle size and composition of PM1, PM10, and Soot samples.
| PM1 | PM10 | Soot | |
|---|---|---|---|
| Particle size | <1 mm | <10 mm | <200 nm |
| C % | 87.5 | 77 | 79.5 |
| H % | n.d. | n.d. | 19.5 |
| O % | 11.5 | 19.6 | <1 |
| S % | 0.8 | 0.5 | n.d. |
| K % | 0.2 | 0.25 | n.d. |
| Na % | n.d. | 0.3 | n.d. |
| Mg % | n.d. | 0.3 | n.d. |
| Al % | n.d. | 0.3 | n.d. |
| Ca % | n.d. | 0.75 | n.d. |
| Fe % | n.d. | 0.25 | n.d. |
| Si % | n.d. | 0.75 | n.d. |
n.d., not detected.
