o-Dichlorobenzene
Notla Water Authority
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 | 1 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-06-03 | AI42034 | ND |
2015-04-14 | AI74803 | ND |
2016-05-04 | AJ11580 | ND |
2016-05-04 | AJ11586 | ND |
2016-05-04 | AJ11585 | ND |
2016-05-04 | AJ11584 | ND |
2016-05-04 | AJ11583 | ND |
2016-05-04 | AJ11582 | ND |
2016-05-04 | AJ11581 | ND |
2016-05-04 | AJ11579 | ND |
2017-06-19 | AJ57872 | ND |
2018-06-06 | AJ90906 | ND |
2019-05-15 | AK17594 | ND |
2019-05-15 | AK17598 | ND |
2019-05-15 | AK17597 | ND |
2019-05-15 | AK17596 | ND |
2019-05-15 | AK17595 | ND |