| Date | Value |
|---|---|
| Nov 21, 2023 01:43 | 2.5 ppm |
| Oct 13, 2023 23:23 | 0.10 ppm |
| Aug 23, 2023 07:06 | 3 ppm |
| Aug 14, 2023 21:00 | 2 ppm |
| Aug 8, 2023 02:11 | 2 ppm |
| Aug 1, 2023 02:04 | 2.5 ppm |
| Jul 24, 2023 17:31 | 1.5 ppm |
| Jul 17, 2023 19:25 | 3 ppm |
| Jul 13, 2023 02:30 | 0.20 ppm |
| Jul 11, 2023 03:24 | 1 ppm |