o-Dichlorobenzene
Cole County PWSD 1
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 6 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 6 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-02-18 | AC42777 | ND |
2015-02-18 | AC42775 | ND |
2015-02-18 | AC42778 | ND |
2015-02-18 | AC42776 | ND |
2015-02-18 | AC42780 | ND |
2015-02-18 | AC42779 | ND |
2018-09-14 | AD33815 | ND |
2018-09-14 | AD33816 | ND |
2018-09-14 | AD33817 | ND |
2018-09-14 | AD33818 | ND |
2018-09-14 | AD33819 | ND |
2018-09-14 | AD33820 | ND |