o-Dichlorobenzene
Western Greene
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 | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-08-06 | 14219000501 | ND |
2015-01-14 | 15015009201 | ND |
2015-09-08 | 15252004101 | ND |
2016-07-27 | 16210000801 | ND |
2016-11-21 | 16328000704 | ND |
2017-01-11 | 17012006809 | ND |
2017-05-09 | 17130006308 | ND |
2017-07-18 | 17200000808 | ND |
2017-07-18 | 17200000701 | ND |
2018-01-09 | 18012000701 | ND |
2018-04-10 | 18101010101 | ND |
2018-08-28 | 18242002701 | ND |
2019-08-07 | 19220013501 | ND |