o-Dichlorobenzene
Wilk-amite W/a #1-south
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 | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-01-21 | 140122-014VO | ND |
2014-04-17 | 140418-005VO | ND |
2014-07-24 | 140725-001VO | ND |
2015-07-08 | 150709-001VO | ND |
2016-02-23 | 160224-006VO | ND |
2016-04-12 | 160413-007VO | ND |
2016-11-03 | 161104-001VO | ND |
2017-03-22 | 170323-001VO | ND |
2017-05-16 | 170517-011VO | ND |
2017-08-21 | 170822-014VO | ND |
2017-11-16 | 171120-001VO | ND |
2018-11-13 | 181114-001VO | ND |
2019-06-26 | 190627-001VO | ND |