o-Dichlorobenzene
East Niles CSD
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 | 4 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 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 |
---|---|---|
2014-04-07 | 5806-010-1435 | ND |
2014-04-23 | 5806-010-1135 | ND |
2014-04-23 | 5806-011-1115 | ND |
2014-08-06 | 5806-024-1430 | ND |
2015-03-23 | 5806-029-1350 | ND |
2016-07-19 | 5806-013-1045 | ND |
2017-04-18 | 5806-010-1405 | ND |
2017-04-18 | 5806-011-1420 | ND |
2017-04-24 | 5806-006-1425 | ND |
2017-04-25 | 5806-024-1435 | ND |
2018-02-12 | 5806-029-1430 | ND |
2019-05-08 | 5806-013-1333 | ND |