o-Dichlorobenzene
Emerald Lakes Subdivision
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 | 4 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-04-03 | AC49248 | ND |
2015-09-09 | AD06211 | ND |
2015-11-18 | AD14045 | ND |
2016-01-28 | AD20704 | ND |
2016-01-28 | AD20708 | ND |
2016-06-02 | AD39177 | ND |
2016-09-29 | AD52084 | ND |
2017-11-13 | AE04548 | ND |
2017-11-13 | AE04550 | ND |
2018-09-21 | AE41289 | ND |
2018-09-21 | AE41291 | ND |
2019-06-13 | AE70595 | ND |
2019-06-13 | AE70605 | ND |