o-Dichlorobenzene
Patuxent Naval Air Station (NAVFAC-WASH)
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 | 1 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-10-22 | 0180022_07_00152 | ND |
2015-09-21 | E16001205001 | ND |
2015-09-21 | E16001205004 | ND |
2015-11-16 | 23973 | ND |
2016-11-03 | E17002040001 | ND |
2016-11-03 | E17002040006 | ND |
2016-11-03 | E17002040010 | ND |
2016-11-03 | E17002040004 | ND |
2016-11-03 | E17002040008 | ND |
2016-12-01 | E17002362001 | ND |
2016-12-22 | 29361-1 | ND |
2016-12-22 | 29361-2 | ND |
2017-07-27 | E18000358006 | ND |
2017-07-27 | E18000358001 | ND |
2018-02-20 | 35656 | ND |
2019-08-19 | E20000663001 | ND |