| Date | Value |
|---|---|
| Dec 17, 2016 14:54 | 0.00 ppm |
| Nov 11, 2015 10:23 | 0.00 ppm |
| Oct 25, 2015 16:31 | 0.00 ppm |
| Sep 19, 2015 09:34 | 0.00 ppm |
| Sep 11, 2015 14:35 | 0.00 ppm |
| Sep 7, 2015 19:29 | 0.00 ppm |
| Sep 4, 2015 20:48 | 0.00 ppm |
| Sep 3, 2015 13:26 | 0.00 ppm |
| Sep 1, 2015 12:02 | 0.00 ppm |
| Aug 29, 2015 19:37 | 0.00 ppm |
| Aug 26, 2015 13:08 | 0.00 ppm |