Appendix Table B.3.
Summary Data and Comparisons with Other Studies
| Variables | Current Studya | New Yorkb Personal |
Hong Kongc Roadside |
Finlandd | Mexicoe Outdoors by Home |
||
|---|---|---|---|---|---|---|---|
| Yard Upwind | Driver | Background Road Center | |||||
| Formaldehyde (µg/m3) | 3.3 (n = 186) | 9.20 (n = 201) | 20.0 | 4.65 | 1.3 | 12.8 | 5.5 |
| Acetaldehyde (µg/m3) | 2.4 (n = 186) | 6.5 (n = 201) | 11.6 | 2.11 | 0.4 | 3.6 | 4.3 |
| Formaldehyde: Acetaldehyde |
1.4 | 1.4 | 1.2 | 2.2 | 2.1f | 2.6f | 1.3 |
| Benzene (µg/m3) | 1.2 (n = 237) | 2.0 (n = 196) | 3.9 | 4.85 | — | — | 7.2 |
| 1,3-Butadiene (µg/m3) | 0.2 (n = 237) | 0.5 (n = 196) | 1.0 | — | — | — | 0.9 |
| Benzene:1,3-Butadiene | 6.0 | 4.0 | 3.9 | — | — | — | 8.0 |
a
Half of the LOD was substituted for the values below the LOD.
b
Kinney et al. 2003.
f
Mean ratios were calculated on matched samples; annual mean concentrations were not the same matched samples.