o-Dichlorobenzene
Telford Borough 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 | 14 | 0 | ND |
2015 | ND | 14 | 0 | ND |
2016 | ND | 16 | 0 | ND |
2017 | ND | 14 | 0 | ND |
2018 | ND | 14 | 0 | ND |
2019 | ND | 14 | 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 |
---|---|---|
2014-02-11 | 20140538 | ND |
2014-02-11 | 20140540 | ND |
2014-02-11 | 20140539 | ND |
2014-04-02 | 20141150 | ND |
2014-04-02 | 20141147 | ND |
2014-04-02 | 20141149 | ND |
2014-04-02 | 20141148 | ND |
2014-06-03 | 20141878 | ND |
2014-07-16 | 20142431 | ND |
2014-07-16 | 20142433 | ND |
2014-07-16 | 20142432 | ND |
2014-11-05 | 14110360-003 | ND |
2014-11-05 | 14110360-002 | ND |
2014-11-05 | 14110360-001 | ND |
2015-02-11 | 12403515 | ND |
2015-02-11 | 12403557 | ND |
2015-02-11 | 12403536 | ND |
2015-04-14 | 12635036 | ND |
2015-04-14 | 12634952 | ND |
2015-04-14 | 12635015 | ND |
2015-04-14 | 12634973 | ND |
2015-04-14 | 12634994 | ND |
2015-07-14 | 13014673 | ND |
2015-07-14 | 13014675 | ND |
2015-07-14 | 13014674 | ND |
2015-10-07 | 13390813 | ND |
2015-10-07 | 13390792 | ND |
2015-10-07 | 13390771 | ND |
2016-01-18 | 13754461 | ND |
2016-03-02 | 13871951 | ND |
2016-03-02 | 13871930 | ND |
2016-04-13 | 14104826 | ND |
2016-04-13 | 14104910 | ND |
2016-04-13 | 14104868 | ND |
2016-04-13 | 14104889 | ND |
2016-04-13 | 14104847 | ND |
2016-07-13 | 14572199 | ND |
2016-07-13 | 14572253 | ND |
2016-07-13 | 14572301 | ND |
2016-07-13 | 14572280 | ND |
2016-07-13 | 14572226 | ND |
2016-10-12 | 15077668 | ND |
2016-10-12 | 15077710 | ND |
2016-10-12 | 15077689 | ND |
2017-02-15 | 15657718 | ND |
2017-02-15 | 15657697 | ND |
2017-02-15 | 15657739 | ND |
2017-05-03 | 16097067 | ND |
2017-05-03 | 16097046 | ND |
2017-05-03 | 16096983 | ND |
2017-05-03 | 16097025 | ND |
2017-05-03 | 16097004 | ND |
2017-08-02 | 16568594 | ND |
2017-08-02 | 16568573 | ND |
2017-08-02 | 16568552 | ND |
2017-11-01 | 17025481 | ND |
2017-11-01 | 17025460 | ND |
2017-11-01 | 17025502 | ND |
2018-02-12 | 20180562 | ND |
2018-02-12 | 20180561 | ND |
2018-02-12 | 20180560 | ND |
2018-05-03 | 20181778 | ND |
2018-05-03 | 20181777 | ND |
2018-05-03 | 20181776 | ND |
2018-05-03 | 20181775 | ND |
2018-05-03 | 20181774 | ND |
2018-08-01 | 20182931 | ND |
2018-08-01 | 20182933 | ND |
2018-08-01 | 20182932 | ND |
2018-11-27 | 8114737-01 | ND |
2018-11-27 | 8114737-02 | ND |
2018-11-27 | 8114737-03 | ND |
2019-02-06 | 20190503 | ND |
2019-02-06 | 20190505 | ND |
2019-02-06 | 20190504 | ND |
2019-05-01 | 20191635 | ND |
2019-05-01 | 20191636 | ND |
2019-05-01 | 20191633 | ND |
2019-05-01 | 20191634 | ND |
2019-05-01 | 20191637 | ND |
2019-08-07 | 20193060 | ND |
2019-08-07 | 20193062 | ND |
2019-08-07 | 20193061 | ND |
2019-11-06 | 20194361 | ND |
2019-11-06 | 20194363 | ND |
2019-11-06 | 20194362 | ND |