o-Dichlorobenzene
Paw Penn District
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 | 11 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 9 | 0 | ND |
2017 | ND | 10 | 0 | ND |
2018 | ND | 8 | 0 | ND |
2019 | ND | 10 | 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 |
---|---|---|
2014-01-08 | 24408301 | ND |
2014-01-08 | 24408001 | ND |
2014-01-08 | 24410701 | ND |
2014-01-08 | 24410601 | ND |
2014-01-08 | 24409501 | ND |
2014-01-08 | 24410501 | ND |
2014-01-08 | 24410201 | ND |
2014-01-08 | 24410401 | ND |
2014-04-01 | 25339001 | ND |
2014-07-07 | 26114501 | ND |
2014-10-01 | 27103201 | ND |
2015-01-02 | 12315850 | ND |
2015-01-02 | 12315892 | ND |
2015-01-02 | 12315871 | ND |
2015-01-02 | 12315829 | ND |
2015-01-02 | 12315808 | ND |
2015-04-03 | 12660736 | ND |
2015-07-09 | 13043474 | ND |
2015-10-01 | 13419777 | ND |
2016-01-06 | 13783287 | ND |
2016-01-06 | 13783266 | ND |
2016-01-06 | 13783245 | ND |
2016-01-06 | 13783203 | ND |
2016-01-06 | 13783224 | ND |
2016-04-04 | 14139337 | ND |
2016-04-18 | 14139359 | ND |
2016-07-13 | 14610394 | ND |
2016-10-03 | 15112464 | ND |
2017-01-04 | 15551727 | ND |
2017-01-04 | 15551748 | ND |
2017-01-04 | 15551706 | ND |
2017-01-04 | 15551769 | ND |
2017-01-04 | 15551674 | ND |
2017-01-04 | 15551790 | ND |
2017-01-04 | 15551653 | ND |
2017-04-05 | 15975972 | ND |
2017-07-06 | 16450387 | ND |
2017-10-11 | 16915041 | ND |
2018-01-11 | 38161501 | ND |
2018-01-11 | 38161401 | ND |
2018-01-11 | 38161301 | ND |
2018-01-11 | 38161201 | ND |
2018-01-11 | 38161101 | ND |
2018-04-11 | 39072601 | ND |
2018-07-16 | 40207301 | ND |
2018-10-17 | 41961701 | ND |
2019-01-09 | 42499301 | ND |
2019-01-09 | 42499401 | ND |
2019-01-09 | 42499501 | ND |
2019-01-09 | 42499201 | ND |
2019-01-09 | 42499601 | ND |
2019-04-01 | 43658101 | ND |
2019-07-08 | 45016101 | ND |
2019-07-15 | 45716201 | ND |
2019-10-07 | 46831501 | ND |
2019-10-31 | 43999801 | ND |