o-Dichlorobenzene
Bay Laurel S/d
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 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 |
---|---|---|
2014-01-28 | C316002-01 | ND |
2014-04-29 | C402965-01 | ND |
2014-08-01 | C407771-01 | ND |
2014-10-14 | C411974-01 | ND |
2015-01-20 | ND | |
2015-04-21 | ND | |
2015-07-21 | ND | |
2015-10-27 | ND | |
2016-01-25 | C515765-01 | ND |
2016-05-02 | CZ03111-01 | ND |
2016-08-23 | CZ08289-01 | ND |
2016-11-10 | CZ13724-01 | ND |
2017-02-28 | CZ18645-01 | ND |
2017-05-09 | CA02800-01 | ND |
2017-07-11 | CA07658-01 | ND |
2017-11-08 | CA13189-01 | ND |
2018-10-12 | CB14296-01 | ND |
2019-11-19 | CC15766-01 | ND |