Know Your Environment. Protect Your Health.

Hexachlorobenzene (HCB)

Pratt, City of

Hexachlorobenzene is a cancer-causing, neurotoxic and hormone-disrupting chemical used as a pesticide until 1984. It is still found in landfills and hazardous waste sites, and can be detected in people.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND110ND
2021ND50ND
2022ND40ND
2023ND120ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.03 ppb

The EWG Health Guideline of 0.03 ppb for hexachlorobenzene 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 hexachlorobenzene, established in 1992, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer due to hexachlorobenzene exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2020-08-041472577ND
2020-08-041472576ND
2020-08-041472575ND
2020-08-041472574ND
2020-08-041472578ND
2020-08-041472585ND
2020-08-041472584ND
2020-08-041472582ND
2020-08-041472581ND
2020-08-041472580ND
2020-11-161661352ND
2021-02-011760634ND
2021-04-131817297ND
2021-05-101836525ND
2021-08-021900892ND
2021-11-082019368ND
2022-02-072184794ND
2022-05-022247417ND
2022-08-082328252ND
2022-11-012388119ND
2023-02-062445642ND
2023-05-082497240ND
2023-08-012547817ND
2023-08-012547816ND
2023-08-012547810ND
2023-08-012547811ND
2023-08-012547812ND
2023-08-012547813ND
2023-08-012547814ND
2023-08-012547815ND
2023-09-132575318ND
2023-10-102589869ND