| Date | Value |
|---|---|
| Sep 19, 2024 20:25 | 0.04 ppm |
| Jun 19, 2024 23:57 | 0.34 ppm |
| Jan 14, 2024 02:31 | 1.2 ppm |
| Dec 1, 2023 02:34 | 0.81 ppm |
| Aug 17, 2023 01:45 | 0.19 ppm |
| Jul 14, 2023 02:06 | 0.00 ppm |
| Jun 28, 2023 03:02 | 0.02 ppm |
| May 27, 2023 14:16 | 0.00 ppm |
| Apr 22, 2023 01:03 | 0.04 ppm |
| Mar 20, 2023 01:08 | 0.40 ppm |
| Feb 27, 2023 00:43 | 0.17 ppm |
| Feb 21, 2023 02:33 | 0.53 ppm |
| Feb 20, 2023 00:25 | 0.00 ppm |