o-Dichlorobenzene
City of Pearland
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 | 4 | 0 | ND |
2015 | ND | 14 | 0 | ND |
2016 | ND | 9 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 9 | 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 |
---|---|---|
2014-04-02 | AC49024 | ND |
2014-04-03 | AC49244 | ND |
2014-04-03 | AC49246 | ND |
2014-04-03 | AC49254 | ND |
2015-04-14 | AC88143 | ND |
2015-04-14 | AC88145 | ND |
2015-04-21 | AC89081 | ND |
2015-04-21 | AC89073 | ND |
2015-04-21 | AC89077 | ND |
2015-04-21 | AC89053 | ND |
2015-04-21 | AC89055 | ND |
2015-04-21 | AC89069 | ND |
2015-04-21 | AC89057 | ND |
2015-04-21 | AC89051 | ND |
2015-09-28 | AD08744 | ND |
2015-09-28 | AD08784 | ND |
2015-11-06 | AD13033 | ND |
2015-12-11 | AD16835 | ND |
2016-03-08 | AD27581 | ND |
2016-03-08 | AD27583 | ND |
2016-03-08 | AD27579 | ND |
2016-03-08 | AD27585 | ND |
2016-03-08 | AD27599 | ND |
2016-05-25 | AD38296 | ND |
2016-05-25 | AD38298 | ND |
2016-05-25 | AD38308 | ND |
2016-10-21 | AD54368 | ND |
2017-01-17 | AD65104 | ND |
2017-01-17 | AD65096 | ND |
2017-04-12 | AD79503 | ND |
2017-04-12 | AD79505 | ND |
2017-04-12 | AD79515 | ND |
2017-07-18 | AD89733 | ND |
2017-09-14 | AD96255 | ND |
2017-09-14 | AD96295 | ND |
2017-09-14 | AD96277 | ND |
2018-03-07 | AE17271 | ND |
2018-03-07 | AE17281 | ND |
2018-03-07 | AE17283 | ND |
2018-04-03 | AE21013 | ND |
2018-04-03 | AE21015 | ND |
2018-04-03 | AE21017 | ND |
2018-06-25 | AE31210 | ND |
2018-06-25 | AE31212 | ND |
2018-06-25 | AE31208 | ND |
2019-01-29 | AE51983 | ND |
2019-01-29 | AE51985 | ND |
2019-03-26 | AE60008 | ND |
2019-03-26 | AE60006 | ND |
2019-04-23 | AE63388 | ND |
2019-05-28 | AE68238 | ND |
2019-05-28 | AE68236 | ND |
2019-12-03 | AE91021 | ND |