o-Dichlorobenzene
Doney Park Water
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 | 1 | 0 | ND |
2015 | ND | 7 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 10 | 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 |
---|---|---|
2014-04-30 | 201405010240V | ND |
2015-03-17 | 201503180274V | ND |
2015-03-17 | 201503180273V | ND |
2015-03-17 | 201503180272V | ND |
2015-03-17 | 201503180271V | ND |
2015-03-17 | 201503180270V | ND |
2015-03-17 | 201503180269V | ND |
2015-03-17 | 201503180268V | ND |
2016-04-05 | 201604060139V | ND |
2018-04-17 | 201804180313V | ND |
2018-04-17 | 201804180314V | ND |
2018-04-17 | 201804180312V | ND |
2018-04-17 | 201804180311V | ND |
2018-04-17 | 201804180310V | ND |
2018-07-05 | 18G0583-01 | ND |
2018-08-28 | 201808290304V | ND |
2018-09-10 | 201809110071V | ND |
2018-09-19 | 18I2083-01 | ND |
2018-11-27 | 18K2651-01 | ND |
2019-05-15 | 201905160094V | ND |
2019-06-18 | 201906190056V | ND |