| Date | Value |
|---|---|
| Aug 24, 2014 20:30 | 0.00 ppm |
| Jul 5, 2014 17:54 | 0.00 ppm |
| Jul 3, 2014 15:15 | 0.00 ppm |
| Jun 24, 2014 20:53 | 0.00 ppm |
| May 31, 2014 20:42 | 0.00 ppm |
| May 15, 2014 23:43 | 0.00 ppm |
| May 9, 2014 23:09 | 5 ppm |
| Apr 29, 2014 19:31 | 0.00 ppm |
| Apr 27, 2014 13:09 | 0.00 ppm |
| Apr 22, 2014 22:43 | 0.00 ppm |
| Apr 16, 2014 22:38 | 0.00 ppm |
| Apr 13, 2014 01:37 | 0.00 ppm |
| Apr 9, 2014 01:37 | 0.00 ppm |