o-Dichlorobenzene
Sneedville Utility District
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 | 4 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 | Result |
---|---|
2014-04-01 | ND |
2015-04-06 | ND |
2015-06-02 | ND |
2015-07-06 | ND |
2015-10-05 | ND |
2016-01-05 | ND |
2016-04-05 | ND |
2017-03-09 | ND |
2017-05-02 | ND |
2017-07-06 | ND |
2017-10-02 | ND |
2018-01-02 | ND |
2018-04-03 | ND |
2018-07-02 | ND |
2018-10-10 | ND |
2019-03-19 | ND |
2019-04-01 | ND |
2019-07-01 | ND |
2019-10-01 | ND |