| Date | Value |
|---|---|
| Oct 30, 2014 21:12 | 2 ppm |
| Oct 20, 2014 21:01 | 7 ppm |
| Oct 12, 2014 14:10 | 5 ppm |
| Sep 23, 2014 19:24 | 2.5 ppm |
| Sep 21, 2014 13:46 | 5 ppm |
| Sep 18, 2014 21:24 | 8 ppm |
| Sep 16, 2014 11:14 | 15 ppm |
| Aug 30, 2014 12:34 | 5 ppm |
| Aug 15, 2014 11:03 | 0.00 ppm |
| Aug 3, 2014 14:32 | 0.00 ppm |
| Jul 13, 2014 23:55 | 0.00 ppm |
| Jul 6, 2014 00:32 | 0.00 ppm |
| Jul 1, 2014 14:27 | 0.00 ppm |
| Jun 28, 2014 14:20 | 0.00 ppm |