o-Dichlorobenzene
Pequannock Twp Water Department
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 | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
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 |
---|---|---|
2014-04-09 | 340410030 | ND |
2014-06-17 | 340617116 | ND |
2014-07-01 | 340701035 | ND |
2015-04-07 | 350407049.1 | ND |
2015-05-14 | 350515016 | ND |
2015-07-07 | 350707151.2 | ND |
2016-04-19 | 360419173.2 | ND |
2016-07-05 | 360705058.2 | ND |
2017-06-13 | 370613116 | ND |
2017-07-25 | 370725094 | ND |
2018-04-24 | 380424073.2 | ND |
2018-08-07 | 380807192 | ND |
2019-04-02 | 390402164.2 | ND |
2019-07-16 | 390716226 | ND |