o-Dichlorobenzene
East Chicago Water Works
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 | 3 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-01-15 | 309904RV-1401 | ND |
2014-01-15 | 309905RV-1401 | ND |
2014-04-16 | 315785RV-1402 | ND |
2015-04-13 | 338132RV-1502 | ND |
2015-04-13 | 338133RV-1502 | ND |
2016-06-06 | 35248033RV-1602 | ND |
2016-08-04 | 369265RV-1603 | ND |
2016-12-21 | 379568RV-1604 | ND |
2017-03-21 | 384941RV-1701 | ND |
2017-03-21 | 384942RV-1701 | ND |
2019-08-14 | 4386157RV-1903 | ND |
2019-08-14 | 4386159RV-1903 | ND |