Table 7.

Average PCB concentrations found in runoff water samples from Gdańsk Airport (Sites 1–5).

Lp.	PCB	Concentration (ug/L)
		2008					2009
		Site 1	Site 2	Site 3	Site 4	Site 5	Site 1	Site 2	Site 3	Site 4	Site 5
1	PCB28	0.121	0.0279	0.0062	0.0131	0.0192	0.0376	0.0268	0.0040	0.0114	0.0602
2	PCB52	0.0955	0.0420	0.186	0.144	0.1819	0.0244	0.0124	0.0008	0.0153	0.0106
3	PCB101	0.0403	0.0228	0.0495	0.0562	0.0287	0.0159	0.0126	0.0016	0.0032	0.0325
4	PCB118	0.0136	0.0174	0.0150	0.0164	0.0030	0.0458	0.0256	0.0092	0.0088	0.0014
5	PCB153	0.0309	0.0058	0.0439	0.0317	0.0193	0.0518	0.0114	0.0096	0.0203	0.0064
6	PCB138	0.0410	0.0080	0.0812	0.0397	0.0192	0.0131	0.0147	0.0298	0.0066	0.0088
7	PCB180	0.0172	0.0159	0.0577	0.0908	0.0290	0.0424	0.0030	0.0090	0.0099	0.0007
Total PCB		0.360	0.140	0.439	0.392	0.300	0.231	0.106	0.064	0.075	0.121