o-Dichlorobenzene
Aqua Pa Bristol
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 | 5 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-01-10 | AE20136 | ND |
2014-04-17 | AE29694 | ND |
2014-04-17 | AE29704 | ND |
2014-07-25 | AE41526 | ND |
2014-10-10 | AE52027 | ND |
2015-01-09 | 12271441 | ND |
2015-02-06 | 12387479 | ND |
2015-04-17 | 12618234 | ND |
2015-07-31 | 12998803 | ND |
2015-10-16 | 13375696 | ND |
2016-01-06 | 13738144 | ND |
2016-01-15 | 13738165 | ND |
2016-04-15 | 14086771 | ND |
2016-07-21 | 14550551 | ND |
2016-10-26 | 15059927 | ND |
2017-01-06 | 15499340 | ND |
2017-04-07 | 15919080 | ND |
2017-08-18 | 16547708 | ND |
2017-09-21 | 16709708 | ND |
2018-02-02 | AF75113 | ND |
2018-02-22 | AF76987 | ND |
2019-02-01 | AG07157 | ND |
2019-03-07 | AG10696 | ND |
2019-04-12 | AG14108 | ND |