o-Dichlorobenzene
Miami
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-05 | 039360.001 | ND |
2015-02-10 | 052898.002 | ND |
2016-03-08 | 068526.001 | ND |
2016-11-08 | SDWA-1094770-00 | ND |
2017-02-21 | SDWA-1124043-00 | ND |
2017-02-21 | SDWA-1124044-00 | ND |
2017-05-31 | SDWA-1152278-00 | ND |
2017-05-31 | SDWA-1152283-00 | ND |
2017-10-30 | SDWA-1195388-00 | ND |
2017-11-29 | SDWA-1214384-03 | ND |
2018-02-20 | AB20096-01 | ND |
2018-06-18 | AF18068-01 | ND |
2018-07-16 | AG16051-01 | ND |
2018-08-06 | AH06113-01 | ND |
2018-09-04 | AI04143-01 | ND |
2018-12-03 | AL03039-01 | ND |