o-Dichlorobenzene
North Lenoir Water Corp
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 | 11 | 0 | ND |
2015 | ND | 9 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | ND | 5 | 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 |
---|---|---|
2014-01-13 | 8540-011314-E10V | ND |
2014-04-09 | 8540-040914-E10V | ND |
2014-07-08 | 8540-070814-E10V | ND |
2014-08-07 | 8540-080714-E14V | ND |
2014-08-07 | 8540-080714-E13V | ND |
2014-08-07 | 8540-080714-E12V | ND |
2014-08-07 | 8540-080714-E11V | ND |
2014-08-07 | 8540-080714-E09V | ND |
2014-08-07 | 8540-080714-E08V | ND |
2014-08-07 | 8540-080714-E02V | ND |
2014-10-07 | 8540-100714-E10V | ND |
2015-01-12 | ND | |
2015-01-12 | ND | |
2015-01-12 | ND | |
2015-01-12 | ND | |
2015-04-07 | ND | |
2015-04-07 | ND | |
2015-04-07 | ND | |
2015-07-13 | ND | |
2015-10-07 | ND | |
2016-01-06 | 8540-010616-E10V | ND |
2016-04-05 | 8540-040516-E10V | ND |
2016-07-11 | 8540-071116-E10V | ND |
2016-10-19 | 8540-101916-E10V | ND |
2017-01-04 | 8540-010417-E10V | ND |
2017-08-02 | 8540-080217-E11V | ND |
2017-08-02 | 8540-080217-E13V | ND |
2017-08-02 | 8540-080217-E12V | ND |
2017-08-02 | 8540-080217-E09V | ND |
2017-08-02 | 8540-080217-E08V | ND |
2017-08-02 | 8540-080217-E02V | ND |
2018-01-11 | 8540-011118-E15V | ND |
2018-01-11 | 8540-011118-E16V | ND |
2018-01-11 | 8540-011118-E17V | ND |
2018-04-02 | 8540-040218-E18V | ND |
2018-04-02 | 8540-040218-E4AV | ND |
2019-06-11 | 8540-061119-E14V | ND |