| Date | Value |
|---|---|
| Aug 2, 2021 20:05 | 0.00 ppm |
| Jul 27, 2021 21:08 | 0.15 ppm |
| Jul 16, 2021 15:32 | 0.00 ppm |
| Jun 27, 2021 23:52 | 0.00 ppm |
| May 22, 2021 20:16 | 0.00 ppm |
| May 11, 2021 03:19 | 0.00 ppm |
| Apr 28, 2021 00:53 | 0.00 ppm |
| Apr 6, 2021 21:59 | 0.00 ppm |
| Mar 29, 2021 02:38 | 0.00 ppm |