o-Dichlorobenzene
Sunny Slope Water Company
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 | 4 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 6 | 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 |
---|---|---|
2014-03-03 | 9588-004-0930 | ND |
2014-06-03 | 9588-012-0940 | ND |
2014-09-16 | 9588-003-0925 | ND |
2014-12-01 | 9588-006-0910 | ND |
2015-03-19 | 9588-004-0910 | ND |
2015-06-09 | 9588-017-1010 | ND |
2015-06-09 | 9588-012-1025 | ND |
2015-09-02 | 9588-003-0935 | ND |
2015-12-09 | 9588-006-0910 | ND |
2016-03-10 | 9588-004-0915 | ND |
2016-06-08 | 9588-017-1030 | ND |
2016-06-08 | 9588-012-1005 | ND |
2016-09-12 | 9588-003-0930 | ND |
2016-12-02 | 9588-006-1040 | ND |
2017-03-06 | 9588-004-1040 | ND |
2017-06-30 | 9588-017-1335 | ND |
2017-06-30 | 9588-012-1310 | ND |
2017-09-21 | 9588-003-0930 | ND |
2017-12-28 | 9588-006-0835 | ND |
2018-03-20 | 9588-004-0945 | ND |
2018-04-10 | 9588-003-0930 | ND |
2018-06-12 | 9588-012-0955 | ND |
2018-06-12 | 9588-017-0930 | ND |
2018-09-11 | 9588-003-0925 | ND |
2018-12-13 | 9588-006-0915 | ND |
2019-06-04 | 9588-012-1045 | ND |
2019-06-04 | 9588-004-1105 | ND |
2019-06-04 | 9588-017-1055 | ND |
2019-09-17 | 9588-003-0915 | ND |
2019-12-13 | 9588-006-0915 | ND |