| Sample Date | Result Flag | Result Value | Unit | |
|---|---|---|---|---|
| 2013-05-14 | 8.1 | no units | View Sample | |
| 2014-05-13 | 8.1 | no units | View Sample | |
| 2015-05-07 | 8.0 | no units | View Sample | |
| 2016-05-02 | 8.1 | no units | View Sample | |
| 2017-05-09 | 8.2 | no units | View Sample | |
| 2018-05-08 | 8.1 | no units | View Sample | |
| 2019-05-08 | 8.1 | no units | View Sample | |
| 2020-05-12 | 8.3 | no units | View Sample | |
| 2021-05-11 | 8.1 | no units | View Sample | |
| 2022-05-10 | 8.2 | no units | View Sample | |
| 2023-05-16 | 8.3 | no units | View Sample | |
| 2024-06-25 | 8.2 | no units | View Sample | |
| 2025-06-24 | 8.2 | no units | View Sample |
