o-Dichlorobenzene
Pennsylvania American Water Company Yardley
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 | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-04-02 | 25324901 | ND |
2014-08-05 | 26501001 | ND |
2014-08-05 | 26500201 | ND |
2015-04-01 | 12620838 | ND |
2015-08-12 | 13123112 | ND |
2015-08-12 | 13123078 | ND |
2016-04-05 | 14089345 | ND |
2016-08-04 | 14719962 | ND |
2016-08-04 | 14719941 | ND |
2017-04-06 | 15922067 | ND |
2017-08-02 | 16550804 | ND |
2017-09-29 | 16712940 | ND |
2017-10-31 | 16866940 | ND |
2018-04-11 | 39062701 | ND |
2018-08-14 | 40630801 | ND |
2018-08-14 | 40630201 | ND |
2019-04-04 | 43649801 | ND |
2019-08-22 | 45815901 | ND |
2019-08-22 | 45816001 | ND |