o-Dichlorobenzene
Yerkes Water Association
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 | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 5 | 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 |
---|---|---|
2014-11-21 | 14112123-01 | ND |
2015-03-28 | 12518177 | ND |
2015-06-04 | 12884810 | ND |
2015-09-10 | 13267087 | ND |
2015-12-07 | 13635781 | ND |
2016-03-14 | 13988881 | ND |
2016-06-28 | 14573178 | ND |
2016-08-04 | 14738621 | ND |
2016-11-17 | 15374820 | ND |
2017-02-16 | 15798678 | ND |
2017-05-04 | 16097839 | ND |
2017-08-17 | 16569372 | ND |
2017-10-23 | 16883179 | ND |
2018-01-11 | 8010197-01 | ND |
2018-01-11 | 8010197-02 | ND |
2018-04-10 | 8041138-01 | ND |
2018-07-19 | 8070920-02 | ND |
2018-10-11 | 8101124-02 | ND |
2019-01-11 | 9011009-02 | ND |
2019-04-02 | 9040376-01 | ND |
2019-07-18 | 9070633-01 | ND |
2019-10-03 | 9100450-01 | ND |