o-Dichlorobenzene
Sw Boone County Water Association
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 | 4 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-01-21 | 14023003601 | ND |
2014-04-29 | 14121003109 | ND |
2014-08-19 | 14233003809 | ND |
2014-10-28 | 14303006502 | ND |
2015-01-27 | 15029009302 | ND |
2015-04-28 | 15120005602 | ND |
2015-07-28 | 15210001001 | ND |
2015-10-28 | 15302004401 | ND |
2016-01-21 | 16025006901 | ND |
2016-05-17 | 16140011102 | ND |
2016-07-18 | 16203007401 | ND |
2016-11-15 | 16321009801 | ND |
2017-02-06 | 17040000701 | ND |
2017-04-25 | 17117003409 | ND |
2017-07-25 | 17207001908 | ND |
2017-10-25 | 17299005901 | ND |
2018-01-24 | 18025010402 | ND |
2018-05-08 | 18129001702 | ND |
2018-07-31 | 18213007301 | ND |
2018-10-30 | 18304001501 | ND |
2019-01-29 | 19031007301 | ND |
2019-04-30 | 19122005502 | ND |
2019-07-23 | 19205003401 | ND |