o-Dichlorobenzene
High Grove 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 | 5 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-01-31 | C316165-03 | ND |
2014-02-07 | C401303-01 | ND |
2014-04-16 | C404616-01 | ND |
2014-07-30 | C407869-01 | ND |
2014-10-09 | C412075-01 | ND |
2015-01-13 | ND | |
2015-01-13 | ND | |
2016-01-27 | C515952-01 | ND |
2016-03-03 | CZ02323-01 | ND |
2017-01-12 | CZ18808-01 | ND |
2017-01-12 | CZ18808-03 | ND |
2017-01-12 | CZ18808-05 | ND |
2018-01-15 | CA18309-01 | ND |
2018-01-15 | CA18309-03 | ND |
2019-01-21 | CB18785-01 | ND |