Table 1 Isomer distribution of HBCDs in soil samples
Region | Type of site | Near type of factory | α (%) | β (%) | γ (%) | ΣHBCD (μg kg−1) |
|---|---|---|---|---|---|---|
South | Grassland | Polystyrene | 5.3 | 3.5 | 91.2 | 187.2 |
South | Park | Complex | 16.5 | 7.4 | 76.1 | 2.50 |
South | Grassland | Polystyrene | 18.6 | 9.4 | 72.0 | 80.0 |
South | Grassland | Polystyrene | 13.5 | 6.3 | 80.1 | 20.8 |
South | Grassland | Polystyrene | 26.1 | 8.8 | 65.1 | 70.8 |
South | Grassland | Polystyrene | 13.9 | 4.9 | 81.2 | 27.4 |
Central | Farmland | Car tyre | 40.8 | 0.0 | 59.2 | 0.63 |
North | Park | Car tyre | 42.2 | 13.1 | 44.7 | 1.23 |
Central | School | PVC | 40.6 | 0.0 | 59.4 | 0.63 |
Central | Grassland | Cement | 45.6 | 12.4 | 42.0 | 1.13 |
Central | Vacant space | Nylon | 52.9 | 12.3 | 34.7 | 1.24 |
North | School | Car | 33.5 | 14.3 | 52.2 | 0.78 |
North | School | Cement | 41.2 | 14.8 | 44.0 | 0.88 |
Central | School | - | 35.6 | 14.1 | 50.2 | 0.75 |
Central | School | - | 36.8 | 14.1 | 49.1 | 0.77 |
North | School | - | 48.9 | 13.6 | 37.5 | 1.20 |
Central | School | - | 53.9 | 13.4 | 32.7 | 1.37 |
North | Vacant space | Carrier tape | 40.7 | 0.0 | 59.3 | 0.63 |
East | School | Pulp | 41.4 | 0.0 | 58.6 | 0.63 |