o-Dichlorobenzene
United Water Rhode Island
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 | 7 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 7 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-05-13 | 1402628-03_TO12 | ND |
2014-05-13 | 1402628-02_TO12 | ND |
2014-08-04 | 1404206-04_TO12 | ND |
2014-08-04 | 1404206-01_TO12 | ND |
2014-08-04 | 1404206-02_TO12 | ND |
2014-08-04 | 1404206-03_TO12 | ND |
2014-12-01 | 1405785-01_TO12 | ND |
2017-06-05 | 1702429-02_TO12 | ND |
2017-06-05 | 1702429-01_TO12 | ND |
2017-08-07 | 1703701-01_TO12 | ND |
2017-08-07 | 1703701-02_TO12 | ND |
2017-08-07 | 1703701-03_TO12 | ND |
2017-08-07 | 1703701-04_TO12 | ND |
2017-12-04 | 1705191-03_TO12 | ND |
2018-05-22 | 1805-10645-002_T | ND |