o-Dichlorobenzene
Broadhurst/turner Downs S/d
o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 600 ppb
The EWG Health Guideline of 600 ppb for o-dichlorobenzene 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 harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 600 ppb
The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-04-07 | C403035-01 | ND |
2015-04-13 | ND | |
2016-04-19 | CZ03191-01 | ND |
2016-07-13 | CZ08336-01 | ND |
2016-11-10 | CZ13753-01 | ND |
2017-04-18 | CA02881-01 | ND |
2018-04-10 | CB03282-01 | ND |
2019-04-19 | CC04085-01 | ND |
2019-07-29 | CC10524-01 | ND |
2019-10-17 | CC15790-01 | ND |