o-Dichlorobenzene
Pennsylvania American Royersford
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 | 9 | 0 | ND |
2015 | ND | 10 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 | 25340001 | ND |
2014-04-02 | 25341501 | ND |
2014-04-03 | 25340301 | ND |
2014-04-03 | 25340801 | ND |
2014-06-25 | 25340501 | ND |
2014-08-06 | 26818001 | ND |
2014-08-06 | 26818101 | ND |
2014-10-06 | 27103901 | ND |
2014-10-06 | 27104001 | ND |
2015-01-08 | 12283056 | ND |
2015-01-08 | 12283035 | ND |
2015-04-09 | 12628876 | ND |
2015-04-09 | 12628941 | ND |
2015-04-09 | 12628897 | ND |
2015-04-09 | 12628918 | ND |
2015-07-13 | 13008757 | ND |
2015-09-16 | 13260283 | ND |
2015-10-06 | 13385323 | ND |
2015-10-06 | 13385344 | ND |
2016-04-05 | 14097859 | ND |
2016-04-05 | 14097880 | ND |
2016-04-05 | 14097838 | ND |
2016-04-05 | 14097903 | ND |
2017-04-11 | 15931671 | ND |
2017-04-11 | 15931627 | ND |
2017-04-11 | 15931606 | ND |
2017-04-11 | 15931585 | ND |
2017-04-11 | 15931648 | ND |
2018-04-11 | 39073401 | ND |
2018-04-11 | 39072901 | ND |
2018-04-11 | 39074201 | ND |
2018-04-11 | 39073001 | ND |
2019-04-08 | 43659301 | ND |
2019-04-08 | 43660501 | ND |
2019-04-08 | 43660601 | ND |
2019-04-23 | 43659401 | ND |