Prairie Path Bridge - SC 1
Test Date	Chloride - mg/L Cl
01/22/00	225.0
02/05/00	265.0
02/19/00	470.0
03/04/00	257.5
03/18/00	325.0
04/01/00	260.0
04/15/00	302.5
05/06/00	185.0
05/13/00	212.5
06/03/00	202.5
06/17/00	155.0
07/08/00	137.5
07/22/00	112.5
08/05/00	130.0
08/19/00	177.5
09/09/00	277.5
09/23/00	145.0
10/21/00	187.5
11/04/00	67.5
12/02/00	107.5
01/13/01	240.0
02/10/01	452.5
04/07/01	270.0
07/07/01	950.0
10/20/01	82.5
01/19/02	67.5
04/20/02	152.5
07/27/02	67.5
10/19/02	157.5
01/04/03	122.5
04/05/03	322.5
01/03/04	185.0
04/03/04	212.5
07/10/04	105.0
10/02/04	115.0
01/08/05	192.5
07/09/05	160.0
10/01/05	107.5
04/01/06	232.5
07/01/06	147.5
10/07/06	102.5
01/06/07	137.5
04/14/07	340.0
07/07/07	230.0
10/06/07	115.0
01/12/08	607.5
04/05/08	447.5
07/12/08	155.0
10/04/08	115.0
04/04/09	300.0
07/11/09	137.5
10/03/09	120.0
Illinois EPA limit	500.0