Hexachlorobenzene (HCB)
Amawalk-shenorock Water District
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 5 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-03-10 | 35129491001 SOC | ND |
2014-03-10 | 35129491002 SOC | ND |
2014-03-10 | 35129491004 SOC | ND |
2014-03-10 | 35129491003 SOC | ND |
2016-03-09 | 35233772002 SOC | ND |
2016-03-09 | 35233772003 SOC | ND |
2016-03-09 | 35233772001 SOC | ND |
2016-03-09 | 35233772004 SOC | ND |
2017-02-28 | 35298645003-SOCS | ND |
2017-02-28 | 35298645004-SOCS | ND |
2017-02-28 | 35298645002-SOCS | ND |
2017-02-28 | 35298645001-SOCS | ND |
2018-02-12 | 420-1328041 ME1 | ND |
2018-02-12 | 420-1328041 SG1 | ND |
2018-02-12 | 420-1328041 SG4 | ND |
2018-02-12 | 420-1328041 SG3 | ND |
2019-02-27 | 7081061001 SOCS | ND |
2019-02-27 | 7081061003 SOCS | ND |
2019-02-27 | 7081061004 SOCS | ND |
2019-02-27 | 7081061002 SOCS | ND |
2019-04-01 | 420-151599-1 SOC | ND |