o-Dichlorobenzene
City of Oakdale
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 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 3 | 0 | ND |
2019 | ND | 8 | 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 |
---|---|---|
2015-07-22 | 5810-011-1000 | ND |
2015-12-29 | 5810-013-1300 | ND |
2016-07-20 | 5810-007-1034 | ND |
2016-07-20 | 5810-008-0857 | ND |
2016-07-20 | 5810-009-0835 | ND |
2016-07-20 | 5810-010-1102 | ND |
2016-07-20 | 5810-005-0957 | ND |
2018-07-12 | 5810-011-1331 | ND |
2018-07-17 | 5810-013-0930 | ND |
2018-11-02 | 5810-013-1525 | ND |
2019-01-07 | 5810-013-1100 | ND |
2019-04-09 | 5810-013-1050 | ND |
2019-07-15 | 5810-010-1200 | ND |
2019-07-15 | 5810-009-0930 | ND |
2019-07-15 | 5810-008-0957 | ND |
2019-07-15 | 5810-007-1147 | ND |
2019-07-15 | 5810-005-1111 | ND |
2019-12-18 | 5810-012-1044 | ND |