o-Dichlorobenzene
Old Farms Condominium Association Inc.
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 | 2 | 0 | ND |
2016 | ND | 5 | 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 | Lab ID | Result |
---|---|---|
2014-01-06 | 183077CH | ND |
2015-01-08 | 193324CH | ND |
2015-11-18 | 202812CH | ND |
2016-01-06 | 204024CH | ND |
2016-04-01 | 206582GE | ND |
2016-04-01 | 206582CH | ND |
2016-07-14 | 210411GE | ND |
2016-10-17 | 213647GE | ND |
2017-01-03 | 216018GE | ND |
2017-04-06 | 218729GE | ND |
2017-08-11 | 303719GE | ND |
2017-10-17 | 306070GE | ND |
2018-01-12 | 308459GE | ND |
2018-04-13 | 311073GE | ND |
2018-07-13 | 314149GE | ND |
2018-10-03 | 317060GE | ND |
2019-01-03 | 319772GE | ND |
2019-04-04 | 322403GE | ND |
2019-07-01 | 325357GE | ND |
2019-10-02 | 328520GE | ND |