o-Dichlorobenzene
Richland Township Water Authority
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 | 6 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 3 | 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 |
---|---|---|
2014-05-15 | 14050658-02 | ND |
2014-05-15 | 14050658-01 | ND |
2014-09-25 | 14091904-01 | ND |
2015-02-10 | 12392447 | ND |
2015-04-23 | 12871971 | ND |
2015-04-23 | 12871972 | ND |
2015-06-09 | 12872160 | ND |
2015-09-28 | 13380549 | ND |
2015-12-08 | 13624269 | ND |
2016-02-16 | 13861554 | ND |
2016-03-15 | 13977443 | ND |
2016-04-12 | 14092302 | ND |
2016-04-12 | 14092281 | ND |
2017-09-11 | 16716488 | ND |
2017-09-11 | 16716511 | ND |
2017-09-11 | 16716461 | ND |
2018-10-15 | 8033560-01 | ND |
2018-10-15 | 8033560-02 | ND |
2018-10-15 | 8033560-03 | ND |
2019-10-07 | 9032226-01 | ND |
2019-10-07 | 9032226-02 | ND |
2019-10-07 | 9032226-03 | ND |