o-Dichlorobenzene
Dogwood Hills
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 | N/A | 0 | 0 | N/A |
2015 | ND | 3 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 3 | 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 |
---|---|---|
2015-08-19 | AD04695 | ND |
2015-09-28 | AD08768 | ND |
2015-09-28 | AD08738 | ND |
2016-03-30 | AD31166 | ND |
2016-03-30 | AD31190 | ND |
2016-03-30 | AD31164 | ND |
2016-06-15 | AD40760 | ND |
2017-09-08 | AD95455 | ND |
2017-09-08 | AD95449 | ND |
2017-09-08 | AD95445 | ND |
2018-03-20 | AE19092 | ND |
2018-03-20 | AE19094 | ND |
2018-03-20 | AE19086 | ND |
2019-11-07 | AE88911 | ND |
2019-11-07 | AE88915 | ND |
2019-11-07 | AE88909 | ND |