o-Dichlorobenzene
Elk River
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 | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 10 | 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 |
---|---|---|
2014-05-05 | 14E0839-01 | ND |
2014-05-05 | 14E0839-02 | ND |
2014-05-05 | 14E0835-03 | ND |
2016-03-21 | 3417728 | ND |
2017-11-01 | 17K0137-01 | ND |
2017-11-01 | 17K0138-01 | ND |
2018-01-23 | 18A0771-01 | ND |
2018-03-13 | 18C0479-02 | ND |
2018-03-13 | 18C0479-03 | ND |
2018-03-13 | 18C0479-01 | ND |
2018-03-13 | 18C0478-01 | ND |
2018-05-08 | 18E0607-01 | ND |
2018-07-31 | 18G2014-01 | ND |
2018-07-31 | 18G2014-02 | ND |
2018-12-06 | 18L0232-01 | ND |
2018-12-06 | 18L0232-02 | ND |
2019-01-23 | 19A0796-01 | ND |
2019-01-23 | 19A0796-02 | ND |
2019-10-30 | 19J1749-01 | ND |