Know Your Environment. Protect Your Health.

Pentachlorophenol

Tesoro Viejo Master Mwc, Inc.

Pentachlorophenol is a carcinogenic chemical used as a wood preservative. It harms developing fetuses, and causes immune suppression and hormone disruption.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND30ND
2023ND30ND

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
2018-08-31CA2010017_002_002-201808310845ND
2022-07-22CA2010017_002_002-202207220830ND
2022-12-05CA2010017_001_001-202212051045ND
2022-12-05CA2010017_006_006-202212051415ND
2023-12-18CA2010017_002_002-202312180630ND
2023-12-19CA2010017_006_006-202312190815ND
2023-12-19CA2010017_001_001-202312190905ND