pH
Date pH
7/30/2006 8.0
8/7/2006 8.2
8/15/2006 8.3
8/19/2006 8.3
8/27/2006 8.2
8/28/2006 8.3
8/29/2006 8.3
9/4/2006 8.3
9/18/2006 8.3
9/19/2006 8.3
9/20/2006 8.3
9/21/2006 8.3
9/27/2006 8.3
10/5/2006 8.3
10/15/2006 8.3
11/7/2006 8.3
1/19/2007 8.3