o-Dichlorobenzene
Northeast Alabama Water 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 | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 6 | 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 |
---|---|---|
2014-05-06 | AC69048 | ND |
2014-11-19 | AC90357 | ND |
2014-11-20 | AC90350 | ND |
2015-06-08 | AD11194 | ND |
2015-11-18 | AD28921 | ND |
2015-11-18 | AD28925 | ND |
2016-05-16 | 1606274-1 | ND |
2016-11-08 | 1614271-2 | ND |
2017-05-22 | 170192-02 | ND |
2017-05-22 | 1707192-2 | ND |
2017-12-11 | 1717278-2 | ND |
2018-06-06 | 1807603-02 | ND |
2018-06-06 | 1807603-2 | ND |
2018-12-12 | L1053121-02 | ND |
2019-06-19 | L1111029-01 | ND |
2019-07-30 | L1124324-01 | ND |
2019-07-30 | L1124324-01A | ND |
2019-09-10 | L1138015-01 | ND |
2019-11-05 | L1157833-01 | ND |
2019-11-13 | L1160742-01 | ND |