o-Dichlorobenzene
Grissom Farm 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 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-10-06 | C412066-01 | ND |
2016-12-08 | CZ16827-01 | ND |
2017-01-13 | CZ18798-01 | ND |
2017-04-10 | CA02942-01 | ND |
2017-07-07 | CA07743-01 | ND |
2017-10-10 | CA13252-01 | ND |
2017-10-10 | CA13255-01 | ND |
2018-01-24 | CA18287-01 | ND |
2018-04-09 | CB03354-01 | ND |
2018-07-17 | CB08156-01 | ND |
2018-10-16 | CB14344-01 | ND |
2019-02-05 | CB18773-01 | ND |
2019-04-10 | CC04158-01 | ND |
2019-07-30 | CC10583-01 | ND |
2019-10-15 | CC15834-01 | ND |