| Date | Value |
|---|---|
| Nov 21, 2023 01:43 | 0.10 ppm |
| Oct 13, 2023 23:23 | 0.08 ppm |
| Aug 23, 2023 07:06 | 0.02 ppm |
| Aug 14, 2023 21:00 | 0.00 ppm |
| Aug 8, 2023 02:11 | 0.00 ppm |
| Aug 1, 2023 02:04 | 0.01 ppm |
| Jul 24, 2023 17:31 | 0.03 ppm |
| Jul 17, 2023 19:25 | 0.06 ppm |
| Jul 13, 2023 02:30 | 0.05 ppm |
| Jul 11, 2023 03:24 | 0.00 ppm |