o-Dichlorobenzene
City of Baltimore
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 | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-02-04 | 0300002_01_TREAT | ND |
2014-02-11 | 0300002_02_TREAT | ND |
2014-02-12 | 0300002_02_TREAT | ND |
2016-05-05 | 0300002_TREATED_ | ND |
2016-05-10 | 0300002_TREATED_ | ND |
2016-05-16 | 0300002_TREATEDT | ND |
2017-04-06 | TREATED_A | ND |
2018-02-14 | E18002961001 | ND |
2018-05-14 | E18004097001 | ND |
2018-05-14 | E18004097004 | ND |
2018-09-17 | E19000965008 | ND |
2018-10-25 | E19001402004 | ND |
2019-05-09 | MONT13033376 | ND |
2019-05-09 | MONT23033376 | ND |
2019-05-10 | ASH3033376 | ND |
2019-05-21 | E19003945012 | ND |
2019-07-31 | E20000429004 | ND |