| Date | Value |
|---|---|
| Aug 28, 2015 22:56 | 0.00 ppm |
| Aug 22, 2015 22:03 | 0.00 ppm |
| Aug 17, 2015 23:54 | 0.00 ppm |
| Aug 11, 2015 13:46 | 0.00 ppm |
| Aug 7, 2015 23:50 | 0.00 ppm |
| Aug 5, 2015 00:59 | 0.00 ppm |
| Nov 29, 2014 14:18 | 0.00 ppm |
| Nov 23, 2014 17:02 | 0.00 ppm |
| Nov 21, 2014 14:56 | 0.00 ppm |
| Nov 17, 2014 06:06 | 0.00 ppm |