o-Dichlorobenzene
City of Center
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 | 5 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-02-10 | Q1403939004 | ND |
2014-06-18 | Q1421946002 | ND |
2014-09-17 | Q1445571003 | ND |
2014-09-17 | Q1445571005 | ND |
2014-11-17 | Q1456397003 | ND |
2015-02-12 | Q1505982012 | ND |
2015-09-22 | Q1537125002 | ND |
2016-02-22 | Q1607423003 | ND |
2016-09-23 | Q1640039002 | ND |
2017-02-21 | Q1707177001 | ND |
2017-08-23 | Q1737790002 | ND |
2018-04-30 | Q1817448004 | ND |
2018-08-27 | Q1834372003 | ND |
2019-05-15 | Q1925671003 | ND |
2019-07-17 | Q1946117001 | ND |