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 |
A | ND-0.184 | ND | ND | ND-0.146 |
A2 | ND-0.146 | ND | ND | ND-0.233 |
B1 | ND-0.534 | ND-0.310 | ND-0.180 | ND-0.533 |
B2 | ND-0.266 | ND-0.206 | ND | ND-0.513 |
B4 | ND-0.480 | ND | ND | ND |
B3、A3、A4、C | ND-0.500 | ND-0.330 | ND-0.280 | ND-0.460 |