Pentachlorophenol
Freemans Mobile Home Park
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 0.0210 ppb | 2 | 1 | ND - 0.0420 ppb |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2019-04-08 | T9D0500-03 | ND |
| 2020-03-20 | 21884828.00 | ND |
| 2020-06-26 | 22456813.00 | ND |
| 2020-09-02 | 23037489.00 | ND |
| 2020-10-02 | 23220224.00 | ND |
| 2021-01-04 | 23749594.00 | ND |
| 2022-06-13 | 26883700.00 | 0.0420 ppb |
| 2022-12-05 | 28035502.00 | ND |
| 2023-03-31 | 28560039.00 | ND |
| 2023-06-26 | 29150542.00 | ND |
| 2023-09-18 | 29739940.00 | ND |
| 2023-10-09 | 29923756.00 | ND |