污染物 区域 | 苯并(a)蒽 | 苯并(b)荧蒽 | 苯并(a)芘 | 茚并(1,2,3-c,d)芘 |
A1/A2/B1/B2/B4 | ND-0.190 | ND | ND | ND |
A3/B4/C | ND-0.250 | 0.140~0.310 | 0.100~0.210 | ND-0.210 |
C | ND-0.300 | 0.170~0.400 | 0.120~0.330 | 0.120~0.350 |
C/B3/A4 | 0.140~0.450 | 0.120~0.430 | 0.090~0.330 | ND-0.530 |
C基坑侧壁超挖50 m3土 | 0.130 | ND | ND | ND |