Pentachlorophenol
Kanata Mills S/d
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 | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2019-09-17 | 72184-01 | ND |
| 2020-03-11 | 79654-01 | ND |
| 2020-06-03 | 82994-01 | ND |
| 2020-09-21 | 8275-092120-E02S | ND |
| 2020-11-05 | 8275-110520-E02S | ND |
| 2021-06-14 | 8275-061421-E03S | ND |
| 2021-08-18 | 8275-081821-E03S | ND |
| 2021-11-03 | 8275-110321-E03S | ND |
| 2022-02-16 | 8275-021622-E03S | ND |
| 2022-05-18 | 8275-051822-E03S | ND |
| 2023-02-15 | 8275-021523-E02S | ND |
| 2023-04-05 | 8275-040523-E03S | ND |