o-Dichlorobenzene
Mountain Peak SUD
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 | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-05-05 | Q1414478013 | ND |
2014-05-05 | Q1414478011 | ND |
2015-04-15 | Q1514253020 | ND |
2015-04-15 | Q1514253017 | ND |
2015-04-15 | Q1514253015 | ND |
2015-04-15 | Q1514253013 | ND |
2015-07-16 | Q1527507003 | ND |
2016-01-26 | Q1603400012 | ND |
2016-01-26 | Q1603400010 | ND |
2016-01-26 | Q1603400008 | ND |
2016-01-26 | Q1603400006 | ND |
2016-10-27 | Q1645956001 | ND |
2017-08-08 | Q1733481046 | ND |
2017-08-08 | Q1733481047 | ND |
2017-08-08 | Q1733481044 | ND |
2017-08-08 | Q1733481042 | ND |
2017-08-08 | Q1733481039 | ND |
2017-08-08 | Q1733481038 | ND |
2018-04-09 | Q1814390004 | ND |
2018-04-09 | Q1814390002 | ND |
2018-04-09 | Q1814390008 | ND |
2018-04-09 | Q1814390006 | ND |
2018-08-31 | Q1835162005 | ND |
2019-05-08 | Q1923158001 | ND |
2019-05-29 | Q1929501005 | ND |
2019-05-29 | Q1929501003 | ND |
2019-05-29 | Q1929501001 | ND |
2019-08-05 | Q1950638003 | ND |