o-Dichlorobenzene
Stafford County 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 | 4 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 3 | 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 |
---|---|---|
2014-02-20 | E131201566 | ND |
2014-06-09 | E140303860 | ND |
2014-08-14 | E140700185 | ND |
2014-08-14 | E140700183 | ND |
2015-02-12 | VA010-DCLS | ND |
2015-03-23 | VA010-DCLS | ND |
2015-05-19 | VA010-DCLS | ND |
2015-07-25 | VA010-DCLS | ND |
2015-07-27 | VA010-DCLS | ND |
2015-10-12 | VA010-DCLS | ND |
2016-01-13 | E151206878 | ND |
2016-04-20 | E160203649 | ND |
2016-08-29 | E160605325 | ND |
2017-04-11 | E170204629 | ND |
2017-09-06 | E170607134 | ND |
2018-04-19 | E180303725 | ND |
2018-07-26 | E180703364 | ND |
2019-05-06 | E190400755 | ND |
2019-07-16 | E190700771 | ND |