o-Dichlorobenzene
Valentine, City of
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 | 6 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-03-04 | 278521 | ND |
2014-03-04 | 278522 | ND |
2014-03-04 | 278520 | ND |
2014-03-31 | 279146 | ND |
2014-03-31 | 279147 | ND |
2014-10-27 | 311068 | ND |
2015-01-26 | 343372 | ND |
2015-01-26 | 343373 | ND |
2015-01-26 | 343374 | ND |
2016-02-16 | ND | |
2016-02-16 | ND | |
2016-02-16 | ND | |
2017-01-17 | ND | |
2017-01-17 | ND | |
2017-01-17 | ND | |
2017-03-20 | ND | |
2017-03-20 | ND | |
2017-12-04 | ND | |
2018-01-29 | 530783 | ND |
2018-01-29 | 530784 | ND |
2018-01-29 | 530785 | ND |
2019-02-05 | 592393 | ND |
2019-02-05 | 592394 | ND |
2019-02-05 | 592395 | ND |