o-Dichlorobenzene
Holly Tree Acres System 1
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 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 6 | 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 |
---|---|---|
2015-01-16 | V5A0375-02 | ND |
2015-01-16 | V5A0375-03 | ND |
2018-01-11 | 7040260001-VOC | ND |
2018-01-11 | 7040267001-VOC | ND |
2018-02-26 | 2298242001 | ND |
2018-04-23 | 7049760001-VOC | ND |
2018-09-26 | 7066191001-VOC | ND |
2018-10-01 | 7067159001-VOC | ND |
2019-01-16 | 7077040001-VOC | ND |
2019-01-30 | 7078177001-VOC | ND |
2019-04-24 | 7087324001-VOC | ND |
2019-06-25 | 7095254001-VOC | ND |
2019-06-25 | 7095256001-VOC | ND |
2019-08-21 | 70102407001-VOC | ND |
2019-08-21 | 70102414001-VOC | ND |
2019-10-22 | 70109566001-VOC | ND |