St. Joseph's Creek - EB 4
Test Date	Ammonia - mg/L NH3 as N
01/08/00	0.07
01/22/00	0.13
02/05/00	0.11
02/19/00	0.43
03/04/00	0.21
03/18/00	1.62
04/01/00	0.12
04/15/00	0.31
05/06/00	0.22
05/13/00	0.38
06/03/00	0.23
06/17/00	0.25
07/08/00	0.27
07/22/00	0.19
08/05/00	0.15
08/19/00	0.17
09/09/00	0.20
09/23/00	0.76
10/21/00	0.41
11/04/00	0.19
12/02/00	0.13
01/13/01	0.13
02/10/01	0.62
04/07/01	0.26
07/07/01	0.63
10/20/01	0.33
01/19/02	0.20
04/20/02	0.53
07/21/02	0.96
10/19/02	0.26
01/04/03	0.13
04/05/03	0.65
11/01/03	0.18
04/04/04	0.14
07/10/04	0.27
10/02/04	0.43
01/08/05	0.17
04/02/05	0.42
07/09/05	0.67
10/01/05	0.32
01/07/06	0.02
04/01/06	0.17
07/01/06	0.33
10/07/06	0.26
01/06/07	0.42
04/14/07	0.15
07/07/07	0.17
10/06/07	0.13
01/12/08	0.34
04/05/08	0.16
07/12/08	0.42
10/04/08	0.17
04/04/09	0.14
07/11/09	0.73
10/03/09	0.31
04/10/10	0.15
07/10/10	0.23
10/02/10	0.37
01/08/11	0.31
04/02/11	0.32
08/06/11	0.19
10/01/11
Illinois EPA limit	0.057 Apr-Oct
	0.025 Nov-Mar