o-Dichlorobenzene
Limestone County Water System
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 | 5 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-03-13 | 140314016-2 | ND |
2014-03-13 | 140314016-1 | ND |
2014-06-10 | 140610061-1 | ND |
2014-09-11 | 140912040-1 | ND |
2014-12-08 | 141209020-1 | ND |
2015-03-12 | 150313027-001 | ND |
2015-06-08 | 150609021-1 | ND |
2015-09-17 | 150918038-1 | ND |
2015-12-14 | 151215021-1 | ND |
2016-03-14 | 160315039-1 | ND |
2016-06-16 | 160617030-1 | ND |
2016-09-15 | 160916032-1 | ND |
2016-12-14 | 161215033-1 | ND |
2017-03-16 | 170317031-1 | ND |
2017-03-16 | 170317031-2 | ND |
2017-05-11 | 170512029-1 | ND |
2017-07-13 | 170714016-1 | ND |
2017-11-16 | 171117007-1 | ND |
2018-01-15 | 180115032-1 | ND |
2018-06-14 | 180615017-001 | ND |
2018-06-14 | 180615017-1 | ND |
2018-09-13 | 18090469-001A | ND |
2018-12-14 | 18120351-001A | ND |
2019-03-11 | 19030335-001A | ND |
2019-06-10 | 20107613001_IVOC | ND |
2019-08-15 | 20117394001_IVOC | ND |
2019-10-29 | 20127944001_IVOC | ND |