Table 1.
Concentrations of PAHs in 24-hr composite food samples
| PAHs | MDL, μg/kg food | Concentration in 24h composite food samples (μg kg−1) |
||||||
|---|---|---|---|---|---|---|---|---|
| The Winter (n=100) | The Autumn (n=61) | |||||||
| Median | Mean±SD | (Mini~Max) | Median | Mean±SD | (Mini~Max) | |||
| 1 | NAP | 2.22 | 14.7 | 30.7±39.5 | (ND~277) | 3.69 | 8.96±14.69 | (ND ~75.5) |
| 2 | ACP | 1.54 | 1.59 | 3.11±6.35 | (ND~44.5) | 0.36 | 1.00±1.66 | (ND~11.0) |
| 3 | FLR | 0.35 | 4.23 | 5.43±4.09 | (1.10~27.5) | 1.92 | 2.24±1.66 | (ND ~9.31) |
| 4 | PHE | 4.05 | 11.5 | 14.3±12.9 | (ND~101) | 5.26 | 6.67±6.51 | (ND ~43.9) |
| 5 | ANT | 0.60 | 2.28 | 2.69±2.53 | (ND~21.1) | 0.92 | 1.07±0.74 | (ND ~3.93) |
| 6 | FLT | 5.46 | 10.1 | 23.5±56.5 | (ND~500) | 8.41 | 19.3±40.5 | (ND ~291) |
| 7 | PYR | 0.99 | 3.90 | 5.76±7.83 | (ND~57.7) | 2.36 | 2.51±1.59 | (ND ~11.1) |
| 8 | BaA | 0.22 | 0.92 | 1.32±1.83 | (ND~14.3) | 0.65 | 0.74±0.49 | (ND ~2.42) |
| 9 | CHR | 1.99 | 0.79 | 1.88±3.20 | (ND~20.5) | 0.001 | 0.04±0.14 | (ND ~0.94) |
| 10 | BbF | 0.10 | 0.53 | 0.80±1.04 | (0.13~8.50) | 0.41 | 2.65±8.32 | (ND ~41.4) |
| 11 | BkF | 0.09 | 0.23 | 0.36±0.56 | (ND~5.09) | 0.19 | 0.21±0.11 | (ND ~0.61) |
| 12 | BaP | 0.04 | 0.56 | 0.85±1.35 | (0.09~11.7) | 0.38 | 1.94±5.26 | (ND ~24.4) |
| 13 | DahA | 0.02 | 0.10 | 0.25±0.57 | (ND~1.97) | 0.019 | 0.24±0.64 | (0.02~3.91) |
| 14 | BghiP | 0.04 | 0.58 | 0.92 ±1.25 | (ND~8.11) | 0.51 | 0.57±0.41 | (ND ~3.42) |
Notes: ND- “Not detected”, below MDL (Method Detection Limit)