Research Article
Concentration Levels and Ecological Risks of Persistent Organic Pollutants in the Surface Sediments of Tianjin Coastal Area, China
Table 4
Possible effect concentration hazard quotients (PEC-HQ) for PAHs*.
| PAH | PEC (g/kg) | b1 | b2 | b3 | b4 | b5 | b6 | b7 | b8 | b9 | b10 |
| Naphthalene | 561 | 1.37 | 1.17 | 1.04 | 0.23 | 0.16 | 0.26 | 0.13 | 0.15 | 0.14 | 0.40 | Acenaphthylene | 128 | 0.33 | 0.12 | 0.19 | 0.08 | 0.03 | 0.06 | 0.03 | 0.33 | 0.03 | 0.11 | Acenaphthene | 88.9 | 3.87 | 0.87 | 0.58 | 0.57 | 0.26 | 0.38 | 0.38 | 0.24 | 0.30 | 4.03 | Fluorene | 536 | 0.46 | 0.15 | 0.24 | 0.39 | 0.05 | 0.15 | 0.08 | 0.07 | 0.05 | 0.48 | Phenanthrene | 1170 | 0.25 | 0.09 | 0.27 | 0.05 | 0.03 | 0.18 | 0.05 | 0.07 | 0.03 | 0.12 | Anthracene | 845 | 0.06 | 0.02 | 0.07 | 0.01 | 0.01 | 0.05 | 0.01 | 0.03 | 0.01 | 0.03 | Fluoranthene | 2230 | 0.00 | 0.03 | 0.11 | 0.04 | 0.01 | 0.12 | 0.02 | 0.15 | 0.01 | 0.00 | Pyrene | 1520 | 0.16 | 0.04 | 0.18 | 0.05 | 0.02 | 0.14 | 0.03 | 0.13 | 0.02 | 0.05 | Benzo(a)anthracene | 1050 | 0.07 | 0.01 | 0.04 | 0.01 | 0.00 | 0.07 | 0.00 | 0.03 | 0.00 | 0.03 | Chrysene | 1290 | 0.06 | 0.01 | 0.09 | 0.01 | 0.01 | 0.13 | 0.01 | 0.07 | 0.01 | 0.03 | Benzo(b)fluoranthene | 13400 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Benzo(k)fluoranthene | 1450 | 0.06 | 0.00 | 0.07 | 0.00 | 0.00 | 0.09 | 0.01 | 0.02 | 0.00 | 0.03 | Benzo(a)pyrene | 3200 | 0.02 | 0.00 | 0.02 | 0.00 | 0.00 | 0.04 | 0.00 | 0.01 | 0.00 | 0.01 | Indeno(1,2,3-cd)pyrene | 135 | 0.16 | 0.00 | 0.11 | 0.01 | 0.00 | 0.04 | 0.01 | 0.02 | 0.00 | 0.07 | Dibenzo(a,h)anthracene | 3200 | 0.03 | 0.00 | 0.02 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 |
| | 22800 | 0.12 | 0.05 | 0.10 | 0.03 | 0.01 | 0.08 | 0.02 | 0.05 | 0.01 | 0.06 |
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*Numbers in bold indicate PEC-HQ > 1.
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