o-Dichlorobenzene
Plumstead Northern System
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 | 6 | 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 |
---|---|---|
2014-03-21 | 14031514-01 | ND |
2014-06-16 | 14031515-01 | ND |
2014-10-10 | L5280881-1 | ND |
2014-10-28 | L5249011-1 | ND |
2014-11-05 | L5315763-1 | ND |
2014-12-19 | L5368657-2 | ND |
2015-01-28 | 12278010 | ND |
2015-04-27 | 12624054 | ND |
2015-04-27 | 12624108 | ND |
2015-04-27 | 12624162 | ND |
2015-08-24 | 13126877 | ND |
2015-11-23 | 13506099 | ND |
2016-02-24 | 13861938 | ND |
2016-06-27 | 14394173 | ND |
2016-06-27 | 14394226 | ND |
2016-06-27 | 14394376 | ND |
2017-05-30 | 16246970 | ND |
2017-05-30 | 16247074 | ND |
2017-05-30 | 16247022 | ND |
2018-04-13 | 8009704-01 | ND |
2018-04-13 | 8009704-02 | ND |
2018-04-13 | 8009704-03 | ND |
2019-04-12 | 9010815-01 | ND |
2019-04-12 | 9010815-02 | ND |
2019-04-12 | 9010815-03 | ND |