o-Dichlorobenzene
Philadelphia 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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 15 | 0 | ND |
2015 | ND | 12 | 0 | ND |
2016 | ND | 12 | 0 | ND |
2017 | ND | 15 | 0 | ND |
2018 | ND | 15 | 0 | ND |
2019 | ND | 12 | 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 |
---|---|---|
2014-02-12 | DW140212-000 | ND |
2014-02-12 | DW140212-001 | ND |
2014-02-12 | DW140212-003 | ND |
2014-05-14 | 7463348 | ND |
2014-05-14 | 7468948 | ND |
2014-05-14 | 7463350 | ND |
2014-05-14 | 7468950 | ND |
2014-05-14 | 7468949 | ND |
2014-05-14 | 7463349 | ND |
2014-08-13 | 7570046 | ND |
2014-08-13 | 7570047 | ND |
2014-08-13 | 7570048 | ND |
2014-11-19 | DW141119-002 | ND |
2014-11-19 | DW141119-038 | ND |
2014-11-19 | DW141119-019 | ND |
2015-02-11 | 12406532 | ND |
2015-02-11 | 12406492 | ND |
2015-02-11 | 12406512 | ND |
2015-05-13 | 12754284 | ND |
2015-05-13 | 12754304 | ND |
2015-05-13 | 12754264 | ND |
2015-08-12 | 13140291 | ND |
2015-08-12 | 13140311 | ND |
2015-08-12 | 13140271 | ND |
2015-11-18 | 13518612 | ND |
2015-11-18 | 13518632 | ND |
2015-11-18 | 13518592 | ND |
2016-02-10 | 13874726 | ND |
2016-02-10 | 13874706 | ND |
2016-02-10 | 13874686 | ND |
2016-05-11 | 14257187 | ND |
2016-05-11 | 14257227 | ND |
2016-05-11 | 14257207 | ND |
2016-08-10 | 14741968 | ND |
2016-08-10 | 14742008 | ND |
2016-08-10 | 14741988 | ND |
2016-11-09 | 15231744 | ND |
2016-11-09 | 15231704 | ND |
2016-11-09 | 15231724 | ND |
2017-02-08 | 15662021 | ND |
2017-02-08 | 15662001 | ND |
2017-02-08 | 15661981 | ND |
2017-05-10 | 16101784 | ND |
2017-05-10 | 16101804 | ND |
2017-05-10 | 16100844 | ND |
2017-05-10 | 16100804 | ND |
2017-05-10 | 16101764 | ND |
2017-05-10 | 16100824 | ND |
2017-08-09 | 16572497 | ND |
2017-08-09 | 16572517 | ND |
2017-08-09 | 16572477 | ND |
2017-11-08 | 17029191 | ND |
2017-11-08 | 17029211 | ND |
2017-11-08 | 17029171 | ND |
2018-02-07 | DW180207-019 | ND |
2018-02-07 | DW180207-037 | ND |
2018-02-07 | DW180207-002 | ND |
2018-05-09 | DW180509-019 | ND |
2018-05-09 | DW180509-002 | ND |
2018-05-09 | DW180509-035 | ND |
2018-08-08 | DW180808-002 | ND |
2018-08-08 | 8083919-01 | ND |
2018-08-08 | 8083919-02 | ND |
2018-08-08 | DW180808-019 | ND |
2018-08-08 | 8083919-03 | ND |
2018-08-08 | DW180808-035 | ND |
2018-11-07 | DW181107-002 | ND |
2018-11-07 | DW181107-018 | ND |
2018-11-08 | DW181108-038 | ND |
2019-02-13 | DW190213-034 | ND |
2019-02-13 | DW190213-018 | ND |
2019-02-13 | DW190213-002 | ND |
2019-05-15 | DW190515-035 | ND |
2019-05-15 | DW190515-019 | ND |
2019-05-15 | DW190515-002 | ND |
2019-08-14 | 9084421-06 | ND |
2019-08-14 | 9084421-07 | ND |
2019-08-14 | 9084421-08 | ND |
2019-11-13 | DW191113-019 | ND |
2019-11-13 | DW191113-035 | ND |
2019-11-13 | DW191113-002 | ND |