o-Dichlorobenzene
Fairfield Sapphire
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 | 10 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 9 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-02-04 | 7048-020414-009V | ND |
2014-02-04 | 7048-020414-008V | ND |
2014-04-21 | 7048-042114-010V | ND |
2014-10-15 | 7048-101514-007V | ND |
2014-10-15 | 7048-101514-006V | ND |
2014-10-15 | 7048-101514-005V | ND |
2014-10-15 | 7048-101514-004V | ND |
2014-10-15 | 7048-101514-003V | ND |
2014-10-15 | 7048-101514-002V | ND |
2014-10-15 | 7048-101514-001V | ND |
2015-01-27 | ND | |
2015-04-22 | ND | |
2017-01-10 | 7048-011017-008V | ND |
2017-01-10 | 7048-011017-009V | ND |
2017-10-18 | 7048-101817-001V | ND |
2017-10-18 | 7048-101817-007V | ND |
2017-10-18 | 7048-101817-006V | ND |
2017-10-18 | 7048-101817-005V | ND |
2017-10-18 | 7048-101817-004V | ND |
2017-10-18 | 7048-101817-003V | ND |
2017-10-18 | 7048-101817-002V | ND |
2018-01-24 | 7048-012418-002V | ND |
2018-01-24 | 7048-012418-012V | ND |
2018-05-08 | 7048-050818-002V | ND |
2018-05-08 | 7048-050818-010V | ND |
2018-07-11 | 7048-071118-002V | ND |
2018-10-09 | 7048-100918-002V | ND |
2019-10-07 | 7048-100719-002V | ND |