o-Dichlorobenzene
Park WC - Compton
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 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 6 | 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 |
---|---|---|
2014-01-16 | 9588-016-1400 | ND |
2014-04-17 | 9588-016-0820 | ND |
2014-07-10 | 9588-016-1000 | ND |
2015-07-16 | 9588-016-0925 | ND |
2016-07-14 | 9588-016-1008 | ND |
2017-01-12 | 9588-016-1201 | ND |
2017-11-30 | 9588-016-1201 | ND |
2018-02-01 | 9588-016-1205 | ND |
2019-02-13 | 9588-016-1130 | ND |
2019-05-15 | 9588-016-1123 | ND |
2019-07-30 | 9588-018-1030 | ND |
2019-08-13 | 9588-016-1215 | ND |
2019-10-23 | 9588-018-1045 | ND |
2019-11-12 | 9588-016-1430 | ND |