| Date | Value |
|---|---|
| May 29, 2019 06:58 | 0.00 ppm |
| May 16, 2019 06:45 | 0.00 ppm |
| Aug 17, 2018 05:10 | 0.00 ppm |
| Aug 14, 2018 04:02 | 0.00 ppm |
| Aug 11, 2018 10:33 | 0.00 ppm |
| Aug 8, 2018 16:47 | 0.00 ppm |
| Aug 5, 2018 01:49 | 0.00 ppm |
| Aug 2, 2018 17:17 | 0.00 ppm |
| Jul 30, 2018 17:13 | 0.00 ppm |
| Jul 27, 2018 03:12 | 0.00 ppm |
| Jul 23, 2018 11:38 | 0.00 ppm |
| Jul 14, 2018 05:23 | 0.00 ppm |