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PAHs (ng/m3):. Benz[a]anthracene. N/A. N/A. 0.08 (0.04). 0.07. N/A. Benzo[a]pyrene. 0.07 (0.06). 0.05. 0.03 (0.04). 0.01. 0.13. Benzo[e]pyrene. 0.03 (0.02). 0.03.
Supporting Information: Table S1. Summary and comparison of rush-hour temporally-adjusted pollutant concentrations by winter and summer seasons. Summer Season Pollutant

Mean (SD)

Winter Season Median

Mean (SD)

Median

p-value between programs

PM2.5 (ยต g/m3)

13.12 (1.69)

12.61

13.45 (1.63)

13.41

0.29

BC (abs)

2.09 (0.76)

1.97

1.39 (0.58)

1.22