o-Dichlorobenzene
Frankford Water Department
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 | 5 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 9 | 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 |
---|---|---|
2014-03-26 | S553846 | ND |
2014-06-16 | S554689 | ND |
2014-09-16 | S574033 | ND |
2014-11-07 | S589900 | ND |
2014-12-10 | S574797 | ND |
2015-03-23 | S616857 | ND |
2015-06-24 | S621191 | ND |
2015-09-21 | S643529 | ND |
2015-12-08 | S643585 | ND |
2015-12-14 | S654314 | ND |
2016-03-24 | S654847 | ND |
2016-06-08 | S676641 | ND |
2016-09-14 | S676777 | ND |
2016-09-22 | S684508 | ND |
2016-09-22 | S684490 | ND |
2016-12-19 | S693915 | ND |
2016-12-19 | S693914 | ND |
2017-03-22 | S723966 | ND |
2017-03-22 | S723965 | ND |
2017-06-19 | S738839 | ND |
2017-06-19 | S738838 | ND |
2017-09-15 | S760113 | ND |
2017-09-15 | S760111 | ND |
2017-12-20 | S751120 | ND |
2018-01-09 | S783848 | ND |
2018-02-09 | S783972 | ND |
2018-03-16 | S792225 | ND |
2018-03-16 | S792221 | ND |
2018-06-21 | S792297 | ND |
2018-06-21 | S792291 | ND |
2019-03-25 | S872193 | ND |
2019-03-25 | S872189 | ND |
2019-06-20 | S883481 | ND |
2019-06-20 | S883477 | ND |
2019-09-25 | S909170 | ND |
2019-09-25 | S909166 | ND |
2019-11-18 | S927412 | ND |
2019-11-22 | S927442 | ND |
2019-11-22 | S927462 | ND |