| Date | Value |
|---|---|
| Sep 14, 2015 11:23 | 0.00 ppm |
| Aug 31, 2015 10:32 | 0.00 ppm |
| Aug 25, 2015 18:09 | 0.00 ppm |
| Aug 10, 2015 06:35 | 0.00 ppm |
| Aug 3, 2015 06:01 | 0.00 ppm |
| Jul 27, 2015 04:55 | 0.00 ppm |
| Jul 13, 2015 04:36 | 0.00 ppm |
| Jul 7, 2015 02:43 | 0.00 ppm |
| Jul 2, 2015 02:11 | 0.00 ppm |
| Jun 29, 2015 23:00 | 0.00 ppm |