Table 2.
Basic statistics of BaP concentrations (ng∙m−3) in aerosols during measurements performed in Gdynia (17.XII.2007–17.XII.2008)
| Variable | Sampling period | ||||
|---|---|---|---|---|---|
| (17.XII.07–17.XII.08) | (17.XII.07–30.IV.08; 1.X.08–17.XII.08) heating season | (1.V.08–30.IX.08) non-heating season | Weekends | Workdays | |
| Number of measurements | 153 | 89 | 64 | 58 | 94 |
| Average concentrations ± standard deviation | 1.29 ± 2.75 | 2.18 ± 3.33 | 0.05 ± 0.09 | 1.94 ± 4.72 | 0.91 ± 1.51 |
| Min.-max. | n.d.− 25.20 | 0.11–25.20 | n.d.−0.36 | n.d.− 25.20 | n.d.− 8.26 |
| Median concentrations | 0.34 | 1.10 | < LOD | 0.52 | 0.30 |
| (Lower–upper quartile) | < LOD− 1.25 | 0.52–2.36 | < LOD− 0.07 | 0.06–2.05 | < LOD− 1.22 |
LOD limit of detection