o-Dichlorobenzene
Tate-Monroe Water Association PWS
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 | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 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 |
---|---|---|
2014-02-12 | 14-11749-01B | ND |
2014-02-12 | 14-11751-01B | ND |
2014-03-24 | 14-13498-01 | ND |
2014-05-07 | 14-15514-01 | ND |
2014-07-15 | 14-19235-01 | ND |
2014-10-13 | 14-24108-01 | ND |
2015-01-14 | 15-10535-01B | ND |
2015-01-14 | 15-10536-01B | ND |
2015-04-14 | 15-14643-03 | ND |
2016-03-14 | 16-13691-01B | ND |
2016-04-13 | 16-15293-01 | ND |
2017-01-31 | 17-11691-01B | ND |
2017-04-04 | 17-15671-01 | ND |
2018-04-16 | 18-16905-01 | ND |