Table 2.
Linearity and calibration curve data of PAHs standard solution by GC-MS.
| PAHs | Retention time (min.) | Ion monitored (m/z) | Year 2010 | Year 2011 | ||
|---|---|---|---|---|---|---|
| Linear equation | R 2 | Linear equation | R 2 | |||
| ANT | 18.26 | 178 | y = 6982.45x − 643.49 | 0.994 | y = 7155.70x − 1868.08 | 0.987 |
| FLU | 15.83 | 165 | y = 9015.00x − 100.00 | 0.989 | y = 9239.45x − 799.30 | 0.996 |
| NAP | 10.49 | 128 | y = 3383.70x − 1844.00 | 0.999 | y = 3164.50x − 1170.43 | 0.999 |
| PHE | 18.13 | 178 | y = 6904.82x − 652.42 | 0.993 | y = 6878.68x − 580.16 | 0.989 |
| PYR | 21.51 | 202 | y = 1787.18x − 208.09 | 0.987 | y = 1727.208x − 199.10 | 0.990 |