Pentachlorophenol
Quarryville Borough
NOTE: Quarryville Borough purchases water from Pennsylvania American Coatesville which is required to test for pentachlorophenol. Sample information shown below was taken by Pennsylvania American Coatesville.
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 | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 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
NOTE: Quarryville Borough purchases water from Pennsylvania American Coatesville which is required to test for pentachlorophenol. Sample information shown below was taken by Pennsylvania American Coatesville.
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-03 | 39087301 | ND |
| 2019-04-02 | 43670001 | ND |
| 2020-04-07 | 22015063.00 | ND |
| 2020-07-08 | 22600276.00 | ND |
| 2021-04-08 | 24240213.00 | ND |
| 2022-04-13 | 26456906.00 | ND |
| 2023-04-04 | 28694686.00 | ND |
| 2023-07-06 | 29295038.00 | ND |