PFOS + PFOA + PFHxS + PFNA
Jblm Mcchord Field
4
Samples
0
Samples exceeding legal limit (MCL)
4
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 11.3 ppt | 4 | 4 | 9.10 ppt - 12.5 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-03-21 | 4446010 | 9.10 ppt |
| 2023-07-19 | 4538486 | 12.5 ppt |
| 2023-09-14 | 4538485 | 12.1 ppt |
| 2023-10-23 | 4560639 | 11.4 ppt |