o-Dichlorobenzene
City of Dinuba
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 | ND | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 2 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-07-29 | 5810-015-1100 | ND |
2014-07-29 | 5810-017-1140 | ND |
2015-06-17 | 5802-020-1053 | ND |
2016-06-15 | 5810-011-0945 | ND |
2016-06-15 | 5810-014-1120 | ND |
2016-06-15 | 5810-015-0815 | ND |
2016-06-15 | 5810-019-0919 | ND |
2016-06-15 | 5810-021-1058 | ND |
2018-08-22 | 5810-017-0846 | ND |
2018-08-22 | 5810-020-0751 | ND |
2019-06-12 | 5810-011-0840 | ND |
2019-06-12 | 5810-014-1330 | ND |
2019-06-12 | 5810-015-1110 | ND |
2019-06-12 | 5810-019-0928 | ND |
2019-06-12 | 5810-021-1135 | ND |