o-Dichlorobenzene
Ephesus
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 | 6 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-01-15 | AI26793 | ND |
2014-01-15 | AI26792 | ND |
2014-01-15 | AI26791 | ND |
2014-04-22 | AI38581 | ND |
2014-07-09 | AI45367 | ND |
2014-11-12 | AI59496 | ND |
2015-03-19 | AI69473 | ND |
2015-03-19 | AI69472 | ND |
2015-03-19 | AI69471 | ND |
2016-03-23 | AJ08658 | ND |
2016-05-24 | AJ12853 | ND |
2016-08-09 | AJ21897 | ND |
2016-10-26 | AJ32285 | ND |
2017-02-01 | AJ43873 | ND |
2017-04-26 | AJ54083 | ND |
2017-07-31 | AJ62157 | ND |
2017-10-24 | AJ72297 | ND |
2018-01-30 | AJ78082 | ND |
2018-01-30 | AJ78081 | ND |
2018-01-30 | AJ78080 | ND |
2018-04-11 | AJ87337 | ND |
2019-05-14 | AK17469 | ND |