o-Dichlorobenzene
Kern County Water Agency
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 | 4 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-01-07 | 5133-010-1130 | ND |
2014-04-15 | 5133-010-1150 | ND |
2014-06-03 | 5133-010-1135 | ND |
2014-10-07 | 5133-010-0810 | ND |
2015-01-13 | 5133-010-1220 | ND |
2015-11-02 | 5133-010-1150 | ND |
2016-01-12 | 5133-010-1140 | ND |
2016-04-05 | 5133-010-1150 | ND |
2016-07-12 | 5133-010-1240 | ND |
2016-10-11 | 5133-010-1135 | ND |
2017-01-10 | 5133-010-1125 | ND |
2017-04-05 | 5133-010-1220 | ND |
2017-07-11 | 5133-010-0820 | ND |
2017-10-10 | 5133-010-1055 | ND |
2018-01-16 | 5133-010-1115 | ND |
2018-04-17 | 5133-010-1425 | ND |
2019-01-08 | 5133-010-1125 | ND |
2019-04-16 | 5133-010-1300 | ND |
2019-07-16 | 5133-010-1105 | ND |
2019-10-15 | 5133-010-0835 | ND |