o-Dichlorobenzene
Residences On Main
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 2 | 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 |
---|---|---|
2014-03-25 | 776617 | ND |
2014-05-06 | 784266 | ND |
2014-08-20 | 812091 | ND |
2014-11-13 | 1411870-001A | ND |
2015-02-25 | 1502G32-001A | ND |
2015-06-18 | 1506H50-001A | ND |
2015-09-23 | 1509K05-001A | ND |
2015-12-14 | 1512B86-001A | ND |
2016-03-08 | 1603597-001A | ND |
2016-06-08 | 1606A35-001A | ND |
2016-09-19 | 1609D27-001A | ND |
2016-12-13 | 1612A07-001A | ND |
2017-03-15 | 1703944-001A | ND |
2017-06-20 | 1706G23-001A | ND |
2018-05-09 | 465737 | ND |
2019-09-16 | 1909D35-001A | ND |