o-Dichlorobenzene
Daphne
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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 5 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 8 | 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 | 140114012-1 | ND |
2014-01-13 | 140114012-2 | ND |
2016-01-13 | 160114026-3 | ND |
2016-01-13 | 160114026-1 | ND |
2016-01-13 | 160114026-2 | ND |
2016-04-13 | 160414036-1 | ND |
2016-04-13 | 160414036-2 | ND |
2017-01-12 | 170113027-1 | ND |
2017-01-12 | 170113027-2 | ND |
2018-09-25 | 18090667-001A | ND |
2018-11-05 | 18110119-001A | ND |
2019-01-16 | 19010491-001A | ND |
2019-01-16 | 19010491-002A | ND |
2019-01-16 | 19010491-003A | ND |
2019-04-08 | 19040336-001A | ND |
2019-06-13 | 20108286001_IVOC | ND |
2019-06-13 | 20108286002_IVOC | ND |
2019-09-12 | 20121497001_IVOC | ND |
2019-10-14 | 20126106001_IVOC | ND |