| Date | Value |
|---|---|
| Jan 18, 2014 02:38 | 0.00 ppm |
| Dec 5, 2013 00:16 | 0.00 ppm |
| Oct 10, 2013 01:11 | 0.00 ppm |
| Oct 6, 2013 02:35 | 0.00 ppm |
| Aug 11, 2013 21:04 | 0.00 ppm |
| Aug 6, 2013 19:50 | 0.00 ppm |
| Jul 31, 2013 20:37 | 0.00 ppm |
| Jul 25, 2013 21:42 | 0.00 ppm |
| Jul 14, 2013 21:28 | 0.00 ppm |