o-Dichlorobenzene
Green Valley SUD
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 3 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2015-04-15 | AC88408 | ND |
2015-04-15 | AC88396 | ND |
2015-07-22 | AD00642 | ND |
2016-01-20 | AD18974 | ND |
2016-04-06 | AD32077 | ND |
2016-06-07 | AD39632 | ND |
2016-09-16 | AD50153 | ND |
2017-01-30 | AD67581 | ND |
2017-04-20 | AD80390 | ND |
2018-01-26 | AE11022 | ND |
2018-04-18 | AE23016 | ND |
2018-04-18 | AE23018 | ND |
2019-02-05 | AE52955 | ND |
2019-02-05 | AE52927 | ND |