o-Dichlorobenzene
Woods of Ashbury S/d
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 | 2 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 6 | 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 |
---|---|---|
2014-07-31 | C408018-01 | ND |
2014-12-30 | C413582-01 | ND |
2015-03-18 | ND | |
2015-05-21 | ND | |
2015-08-27 | ND | |
2015-09-25 | ND | |
2015-10-12 | ND | |
2016-07-28 | CZ08530-01 | ND |
2016-12-19 | CZ13915-01 | ND |
2017-01-26 | CZ19027-01 | ND |
2017-07-10 | CA07889-01 | ND |
2018-08-24 | CB08339-01 | ND |
2018-08-24 | CB08339-03 | ND |
2018-12-05 | CB15011-03 | ND |
2018-12-26 | CB20251-01 | ND |
2019-01-22 | CB19037-01 | ND |
2019-01-22 | CB19037-03 | ND |
2019-05-02 | CC04418-01 | ND |
2019-08-14 | CC10759-01 | ND |
2019-08-14 | CC10759-03 | ND |
2019-10-29 | CC15996-01 | ND |