## 3 Results and Discussion
### Comparison of Results from PAH Analysis and Biological Survival Rates
\begin{table}
\begin{tabular}{c c c c c c c c c c c c c c c c} \hline \hline
**Sites** & **ACE** & **ACY** & **ANTH** & **Bi\(|\)**a**J** & **B\(|\)**a**J** & **B\(|\)**i**J** & **B\(|\)**i**J** & **B\(|\)**i**k**F** & **B\(|\)**i**Bi\(|\)iP** & **CHRY** & **D\(|\)**i**a**J** & **FLU** & **FLTH** & **IND** & **PHEN** & **PYR** & **NAP** \\ \hline
**VS1** & ND & ND & ND & 6.686 & ND & ND & ND & ND & 0.988 & ND & ND & 0.178 & ND & ND & 0.084 & ND \\
**VS2** & ND & ND & 0.808 & 6.901 & ND & ND & ND & ND & ND & ND & ND & 0.174 & ND & ND & 0.088 & ND \\
**VS3** & ND & ND & 0.422 & 6.964 & ND & ND & ND & ND & ND & ND & ND & ND & 0.193 & ND & ND & 0.096 & ND \\
**VS4** & ND & ND & 0.384 & 6.691 & ND & ND & ND & ND & ND & 2.289 & ND & ND & 0.18 & ND & ND & 0.086 & ND \\
**YS5** & ND & ND & 0.93 & 6.687 & ND & ND & 0.007 & ND & 1.378 & ND & ND & 0.179 & ND & ND & 0.084 & ND \\
**SY1** & ND & ND & 0.671 & 6.691 & ND & ND & ND & ND & ND & 1.238 & ND & ND & 0.261 & ND & ND & 0.086 & ND \\
**SY2** & ND & ND & 0.647 & ND & ND & ND & ND & 0.001 & ND & ND & ND & ND & ND & ND & 0.084 & ND \\
**SY3** & ND & ND & ND & 6.699 & ND & ND & ND & ND & ND & 1.898 & ND & ND & 0.223 & ND & 2.764 & 0.096 & ND \\
**AGD1** & ND & ND & 0.794 & 7.329 & ND & ND & ND & ND & ND & ND & ND & 0.284 & ND & 0.282 & 0.088 & ND \\
**AGD2** & 0.139 & ND & 0.312 & ND & ND & ND & 0.001 & ND & ND & ND & 0.113 & 0.185 & ND & ND & 0.087 & ND \\
**DB1** & ND & ND & 0.364 & 6.882 & 0.168 & ND & ND & ND & 9.056 & ND & ND & 0.239 & ND & ND & ND & ND \\
**DB2** & ND & ND & 0.271 & 6.712 & ND & ND & ND & ND & 2.707 & ND & ND & 0.188 & ND & ND & 0.085 & ND \\
**DB3** & ND & ND & ND & 6.696 & ND & ND & ND & 0.006 & ND & 0.682 & ND & ND & 0.179 & 0.87 & 5.717 & 0.084 & ND \\
**DB4** & ND & ND & ND & ND & ND & ND & ND & ND & ND & ND & 0.113 & 0.189 & 0.238 & 0.237 & 0.095 & ND \\
**DB5** & ND & ND & ND & 6.773 & ND & ND & ND & 0.031 & ND & 4.026 & ND & ND & 0.215 & ND & ND & 0.106 & ND \\ H1\({}_{1}\) & 0.155 & ND & 1.122 & 8.604 & ND & ND & 0.89 & ND & 90.095 & ND & 0.11 & 0.364 & ND & 0.575 & 0.09 & ND \\ H2\({}_{2}\) & ND & ND & 0.997 & 7.189 & ND & ND & 0.059 & 0.08 & 1.935 & ND & ND & 0.179 & ND & ND & ND & ND \\ H3\({}_{3}\) & 0.148 & ND & ND & 6.814 & ND & ND & 0.057 & ND & 7.37 & ND & 0.11 & 0.19 & ND & ND & ND & 0.087 & ND \\ H4\({}_{4}\) & ND & ND & 0.771 & ND & ND & ND & 0.001 & ND & ND & ND & 0.113 & 0.178 & ND & 0.243 & 0.093 & ND \\ H5\({}_{5}\) & ND & ND & 0.32 & 6.925 & ND & ND & 0.144 & ND & 18.027 & ND & 0.117 & 0.226 & 0.242 & 0.274 & 0.085 & ND \\ H6\({}_{6}\) & ND & ND & 0.534 & 6.707 & ND & ND & 0.015 & ND & 2.408 & ND & ND & 0.184 & ND & 0.234 & 0.086 & ND \\ H7\({}_{7}\) & ND & ND & 0.232 & 7.71 & ND & ND & 0.382 & ND & 48.618 & ND & ND & 0.277 & ND & 0.351 & 0.089 & ND \\ LKI & ND & ND & 1.098 & 6.857 & ND & ND & ND & 0.037 & ND & 5.022 & ND & ND & 0.185 & 0.238 & ND & 0.084 & ND \\
**LK2** & ND & ND & ND & ND & ND & ND & 0.001 & ND & ND & ND & ND & ND & ND & ND & 0.084 & ND \\ LK3 & ND & ND & 0.201 & 44.305 & ND & ND & 0.165 & ND & 0.247 & ND & ND & 0.25 & ND & 0.312 & 0.089 & ND \\
**WR1** & ND & ND & 0.214 & 14.678 & 0.015 & ND & 3.782 & ND & 356.24 & ND & ND & 1.182 & ND & 2.531 & 0.115 & ND \\
**WRE** & ND & ND & 0.335 & ND & ND & ND & 0.224 & 0.455 & ND & ND & ND & 0.184 & ND & ND & ND & ND \\
**WR3** & ND & ND & 0.266 & 8.748 & ND & ND & ND & ND & ND & ND & 0.218 & 0.249 & ND & 0.099 & ND \\
**WR4** & ND & ND & 0.394 & 6.901 & ND & ND & 0.093 & ND & 11.832 & ND & ND & 0.228 & ND & 0.242 & 0.099 & ND \\
**WRE** & ND & ND & 0.283 & 6.727 & ND & ND & ND & ND & 1.114 & ND & ND & 0.231 & ND & ND & 0.096 & ND \\
**WR6** & ND & ND & 0.56 & ND & ND & ND & ND & ND & 0.251 & ND & ND & 0.187 & ND & 0.217 & 0.087 & ND \\
**DG1** & ND & ND & 0.952 & ND & ND & ND & ND & ND & 0.253 & ND & ND & 0.22 & ND & ND & 0.085 & ND \\
**DG2** & 0.148 & ND & 0.782 & ND & ND & ND & 0.021 & ND & ND & ND & 0.11 & 1.084 & ND & ND & 0.092 & ND \\
**DG3** & ND & ND & 1.212 & ND & ND & ND & 0.001 & ND & ND & ND & 0.116 & 0.173 & ND & ND & 0.085 & ND \\
**DG4** & ND & ND & 0.563 & 36.811 & ND & ND & 0.154 & ND & 0.248 & ND & ND & 0.211 & ND & 0.289 &The concentration of heavy metals measured in the porewater of the HJ3 and HJ7 sediment was low; however, we observed a low survival rate of _H.