Mercury, via Cold Vapor method
Collection Date	Location	Hg  μg/L	MDL  μg/L
06/06/05	WB 2	0.0000	0.0440
07/28/05	WB 2	0.0000	0.0440
10/25/05	WB 2	0.0000	0.0440
12/04/05	WB 2	0.0000	0.0440
08/03/06	WB 2	0.0000	0.0440
09/24/06	WB 2	0.0000	0.0440
07/10/07	WB 2	0.0000	0.0440
10/16/07	WB 2	0.0000	0.0440
11/21/07	WB 2	0.0000	0.0440
05/12/08	WB 2	0.0000	0.0440
Illinois EPA limit		2.2