o-Dichlorobenzene
Hot Springs Utilities
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 | 2 | 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 |
---|---|---|
2014-04-02 | 14094002901 | ND |
2014-11-17 | 14324002701 | ND |
2015-04-01 | 15092001409 | ND |
2015-10-06 | 15282001801 | ND |
2016-04-06 | 16098015501 | ND |
2016-10-03 | 16280005601 | ND |
2017-04-04 | 17096007801 | ND |
2017-10-03 | 17278009601 | ND |
2018-04-02 | 18095005109 | ND |
2018-10-01 | 18277018209 | ND |
2019-04-17 | 19108004401 | ND |
2019-10-01 | 19277003301 | ND |