o-Dichlorobenzene
City of Pasadena
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 | 8 | 0 | ND |
2017 | ND | 12 | 0 | ND |
2018 | ND | 9 | 0 | ND |
2019 | ND | 7 | 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 |
---|---|---|
2014-03-06 | AC45988 | ND |
2014-03-06 | AC46000 | ND |
2014-04-24 | AC51728 | ND |
2014-04-24 | AC51724 | ND |
2014-04-24 | AC51722 | ND |
2015-01-14 | AC76273 | ND |
2015-01-14 | AC76265 | ND |
2015-01-14 | AC76229 | ND |
2015-01-14 | AC76267 | ND |
2015-01-14 | AC76203 | ND |
2016-01-11 | AD17364 | ND |
2016-01-11 | AD17352 | ND |
2016-01-11 | AD17360 | ND |
2016-04-06 | AD32085 | ND |
2016-04-06 | AD32083 | ND |
2016-06-17 | AD41169 | ND |
2016-07-06 | AD43177 | ND |
2016-10-06 | AD52692 | ND |
2017-01-10 | AD63998 | ND |
2017-03-16 | AD75468 | ND |
2017-03-16 | AD75448 | ND |
2017-03-16 | AD75466 | ND |
2017-03-16 | AD75462 | ND |
2017-03-16 | AD75454 | ND |
2017-03-16 | AD75450 | ND |
2017-03-16 | AD75452 | ND |
2017-04-04 | AD78285 | ND |
2017-07-11 | AD88935 | ND |
2017-09-18 | AD96543 | ND |
2017-10-31 | AE02981 | ND |
2018-02-06 | AE12532 | ND |
2018-02-06 | AE12534 | ND |
2018-05-02 | AE24847 | ND |
2018-05-02 | AE24845 | ND |
2018-05-02 | AE24855 | ND |
2018-05-02 | AE24851 | ND |
2018-06-26 | AE31497 | ND |
2018-06-26 | AE31481 | ND |
2018-11-14 | AE46107 | ND |
2019-01-30 | AE52244 | ND |
2019-01-30 | AE52210 | ND |
2019-03-06 | AE57409 | ND |
2019-03-06 | AE57411 | ND |
2019-03-06 | AE57407 | ND |
2019-08-06 | AE77247 | ND |
2019-08-06 | AE77265 | ND |