o-Dichlorobenzene
Coachella Water 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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 6 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 6 | 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 |
---|---|---|
2016-04-26 | 4790-009-0754 | ND |
2016-04-26 | 4790-010-0700 | ND |
2016-04-26 | 4790-012-0909 | ND |
2016-04-27 | 4790-018-0800 | ND |
2016-04-27 | 4790-019-0720 | ND |
2016-04-27 | 4790-020-0830 | ND |
2019-04-22 | 4790-009-1125 | ND |
2019-04-22 | 4790-010-1040 | ND |
2019-04-22 | 4790-012-1010 | ND |
2019-04-22 | 4790-018-1145 | ND |
2019-04-22 | 4790-019-1320 | ND |
2019-04-22 | 4790-020-1130 | ND |