o-Dichlorobenzene
Carroll County
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 4 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-02-18 | AI28176 | ND |
2014-02-18 | AI28177 | ND |
2014-05-15 | AI40669 | ND |
2014-05-15 | AI40670 | ND |
2015-02-03 | AI63966 | ND |
2016-02-02 | AJ05496 | ND |
2017-03-28 | AJ49069 | ND |
2017-03-28 | AJ49070 | ND |
2017-03-28 | AJ49071 | ND |
2017-03-28 | AJ49072 | ND |
2018-01-29 | AJ78039 | ND |
2019-02-20 | AK11673 | ND |