o-Dichlorobenzene
Cleveland Municipal Authority
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-03-27 | 4C27052-01 | ND |
2014-04-03 | 4D03065-01 | ND |
2014-09-11 | 4I11082-01 | ND |
2014-12-31 | 4L31018-01 | ND |
2015-03-26 | 5C26052-01 | ND |
2015-05-07 | 5E07054-01 | ND |
2015-08-13 | 5H13042-01RE1 | ND |
2015-11-05 | 5K05078-01 | ND |
2016-05-05 | 6E05081-01 | ND |
2016-07-07 | 6G07103-01 | ND |
2016-08-11 | 6H11093-01 | ND |
2016-10-06 | 6J06065-01 | ND |
2017-01-05 | 7A05072-01 | ND |
2017-04-06 | 7D06049-01 | ND |
2017-07-06 | 7G13045-01 | ND |
2017-10-05 | 7J05072-01 | ND |
2018-01-04 | 8A04059-01 | ND |