| Date | Value |
|---|---|
| Mar 25, 2019 23:38 | 0.00 ppm |
| Feb 21, 2019 16:30 | 0.00 ppm |
| Feb 21, 2019 16:30 | 0.00 ppm |
| Feb 17, 2019 07:00 | 0.00 ppm |
| Feb 1, 2019 19:46 | 0.00 ppm |
| Jan 14, 2019 08:00 | 0.00 ppm |
| Dec 6, 2018 16:00 | 0.00 ppm |
| Nov 23, 2018 17:00 | 0.00 ppm |
| Nov 21, 2018 10:00 | 0.00 ppm |
| Nov 20, 2018 19:00 | 0.00 ppm |
| Oct 28, 2018 11:26 | 0.00 ppm |
| Oct 24, 2018 21:32 | 0.00 ppm |