o-Dichlorobenzene
Rapides Parish Waterworks District 3
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 10 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-03-10 | AD89666 | ND |
2014-03-10 | AD89666 | ND |
2015-07-08 | 35196532003 | ND |
2015-07-08 | 35196532003 | ND |
2016-07-18 | 35255428001 | ND |
2016-07-18 | 35255428001 | ND |
2016-07-18 | 35255428002 | ND |
2016-07-18 | 35255428002 | ND |
2016-07-19 | 35255757003 | ND |
2016-07-19 | 35255757003 | ND |
2017-03-08 | 35299871004 | ND |
2017-03-08 | 35299871005 | ND |
2017-03-08 | 35299871004 | ND |
2017-03-08 | 35299871003 | ND |
2017-03-08 | 35299871005 | ND |
2017-03-08 | 35299871003 | ND |
2017-07-18 | 35324925002 | ND |
2017-07-18 | 35324925002 | ND |
2017-12-19 | 35364700001 | ND |
2017-12-19 | 35364700001 | ND |
2018-03-22 | 35381823001 | ND |
2018-03-22 | 35381823001 | ND |
2019-04-17 | 35463257001 | ND |
2019-04-17 | 35463257001 | ND |