o-Dichlorobenzene
Pittsburgh Water & Sewer Authority
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 | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-01-27 | 1069532001 | ND |
2014-01-27 | 1069532002 | ND |
2014-08-28 | 2026581002 | ND |
2014-08-29 | 2026581001 | ND |
2015-12-07 | 13692550 | ND |
2015-12-07 | 13692571 | ND |
2016-11-16 | 15296013 | ND |
2016-11-16 | 15296034 | ND |
2017-05-25 | 16174954 | ND |
2018-05-02 | 18E0265-01 | ND |
2019-05-21 | 19E2494-01 | ND |
2019-12-13 | 19L1687-01 | ND |