Table 6.

The average PCB concentration determined in the runoff and rainfall water samples.

PCB (μg/L)	Winter		Spring
	Average value of 5 sites from airport	Rainfall	Average value of 5 sites from airport	Rainfall
PCB28	0.020 ± 0.015	0.004 ± 0.0002	0.055 ± 0.012	0.006 ± 0.0003
PCB52	0.117 ± 0.088	0.056 ± 0.0028	0.136 ± 0.088	0.01 ± 0.0005
PCB101	0.029 ± 0.007	0.018 ± 0.0009	0.050 ± 0.011	0.006 ± 0.0003
PCB118	0.011 ± 0.006	0.005 ± 0.0003	0.016 ± 0.007	0.002 ± 0.0001
PCB153	0.035 ± 0.012	0.014 ± 0.0007	0.017 ± 0.009	0.002 ± 0.0001
PCB138	0.045 ± 0.011	0.017 ± 0.0009	0.030 ± 0.011	0.006 ± 0.0003
PCB180	0.059 ± 0.022	0.043 ± 0.0022	0.025 ± 0.013	0.005 ± 0.0003
∑PCB	0.317 ± 0.098	0.157 ± 0.0079	0.328 ± 0.049	0.036 ± 0.0018