Pentachlorophenol
Travis Air Force Base Water Treatment Plant - Vallejo
Pentachlorophenol is a carcinogenic chemical used as a wood preservative. It harms developing fetuses, and causes immune suppression and hormone disruption.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.3 ppb
The EWG Health Guideline of 0.3 ppb for pentachlorophenol was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
EPA Maximum Contaminant
Level (MCL): 1 ppb
The legal limit for pentachlorophenol, established in 1991, was based on analytical detection limits at the time that the standard was set.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-09 | CA4810015_003_003-201801090758 | ND |
| 2019-01-07 | CA4810015_003_003-201901070825 | ND |
| 2020-01-07 | CA4810015_003_003-202001070855 | ND |
| 2020-03-10 | CA4810015_006_006-202003101130 | ND |
| 2020-03-10 | CA4810015_005_005-202003101005 | ND |
| 2020-06-22 | CA4810015_005_005-202006221235 | ND |
| 2020-06-22 | CA4810015_006_006-202006221125 | ND |
| 2020-10-05 | CA4810015_003_003-202010050842 | ND |
| 2022-01-05 | CA4810015_003_003-202201050906 | ND |
| 2023-03-16 | CA4810015_006_006-202303161115 | ND |