o-Dichlorobenzene
Allendale 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 |
---|---|---|---|---|
2014 | ND | 5 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-01-21 | 4010523-01 | ND |
2014-04-23 | 4040797-01 | ND |
2014-07-14 | 4070507-01 | ND |
2014-10-02 | 4100134-02 | ND |
2014-10-02 | 4100134-01 | ND |
2015-01-22 | 2051451001 | ND |
2015-04-06 | 2063967001 | ND |
2015-07-07 | 2081643001 | ND |
2015-10-20 | 2103273001 | ND |
2015-10-20 | 2103273003 | ND |
2015-10-20 | 2103273002 | ND |
2016-01-05 | 2116959001 | ND |
2016-04-04 | 2134713001 | ND |
2016-07-18 | 2159873001 | ND |
2016-10-06 | 2180788001 | ND |
2016-10-06 | 2180788002 | ND |
2017-01-26 | 7010678-01 | ND |
2017-04-17 | 7040559-01 | ND |
2017-08-15 | 7080616-01 | ND |
2017-10-17 | 7100558-01 | ND |
2017-10-17 | 7100558-02 | ND |
2018-01-22 | 8010676-01 | ND |
2018-04-17 | 8040646-01 | ND |
2018-07-16 | 8070628-01 | ND |
2018-10-15 | 8100803-02 | ND |
2018-10-15 | 8100803-01 | ND |
2018-11-09 | 8110413-01 | ND |
2019-01-22 | 9010845-01 | ND |
2019-04-04 | 9040340-01 | ND |
2019-07-10 | 9070486-01 | ND |
2019-10-09 | 9100627-02 | ND |
2019-10-09 | 9100627-01 | ND |