o-Dichlorobenzene
Dona Ana MDWCA
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 | 6 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-07-29 | 1408061-001A | ND |
2014-07-29 | 1408060-001A | ND |
2014-07-29 | 1408063-001A | ND |
2014-07-29 | 1408057-001A | ND |
2014-07-29 | 1408062-001A | ND |
2014-09-03 | 1409282-001A | ND |
2017-01-11 | 1701548-001 | ND |
2017-01-11 | 1701554-001 | ND |
2017-01-11 | 1701555-001 | ND |
2017-01-11 | 1701556-001 | ND |
2018-01-09 | 1801603-001 | ND |
2018-01-09 | 1801604-001 | ND |
2018-01-16 | 1801921-001 | ND |
2019-07-09 | 1907439-001 | ND |
2019-10-21 | 1910C28-001 | ND |