o-Dichlorobenzene
City of Beloit
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 | 10 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 7 | 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 |
---|---|---|
2014-02-12 | 770322 | ND |
2014-02-26 | 772270 | ND |
2014-02-26 | 772256 | ND |
2014-02-26 | 772250 | ND |
2014-02-26 | 772259 | ND |
2014-02-26 | 772252 | ND |
2014-02-26 | 772243 | ND |
2014-04-09 | 779189 | ND |
2014-07-17 | 803882 | ND |
2014-10-20 | 826411 | ND |
2015-02-18 | 844273 | ND |
2015-02-18 | 844274 | ND |
2015-02-18 | 844275 | ND |
2015-04-29 | 857820 | ND |
2015-07-08 | 869710 | ND |
2015-10-14 | 889091 | ND |
2016-02-10 | 905182 | ND |
2016-02-10 | 905180 | ND |
2016-02-10 | 905181 | ND |
2017-02-28 | 975341 | ND |
2017-02-28 | 975355 | ND |
2017-02-28 | 975344 | ND |
2017-02-28 | 975351 | ND |
2017-02-28 | 975337 | ND |
2017-02-28 | 975334 | ND |
2017-02-28 | 975347 | ND |
2018-03-07 | 1044056 | ND |
2018-03-07 | 1044054 | ND |
2019-06-26 | 1130749 | ND |
2019-06-26 | 1130747 | ND |