o-Dichlorobenzene
Highfield
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-02-20 | 0210001_01_03784 | ND |
2014-05-20 | 0210001_02_05124 | ND |
2015-09-24 | E16001293004 | ND |
2015-09-24 | E16001293001 | ND |
2016-03-12 | E16003443001 | ND |
2016-03-17 | E16003449001 | ND |
2017-07-31 | E18000397001 | ND |
2017-07-31 | E18000397004 | ND |
2018-11-07 | E19001587006 | ND |
2019-09-05 | E20000966006 | ND |
2019-09-05 | E20000966004 | ND |
2019-10-28 | 3067266003 | ND |