o-Dichlorobenzene
City of Buda
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 | 2 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-08-26 | AC65217 | ND |
2014-08-26 | AC65215 | ND |
2015-02-02 | AC78823 | ND |
2015-06-09 | AC95142 | ND |
2015-06-09 | AC95172 | ND |
2015-06-09 | AC95144 | ND |
2015-06-09 | AC95176 | ND |
2015-12-09 | AD16243 | ND |
2016-06-14 | AD40506 | ND |
2016-06-14 | AD40490 | ND |
2016-09-21 | AD50581 | ND |
2016-11-03 | AD56508 | ND |
2017-03-23 | AD76644 | ND |
2017-05-10 | AD83722 | ND |
2017-07-26 | AD90839 | ND |
2017-07-26 | AD90837 | ND |
2017-10-18 | AE01344 | ND |
2017-10-18 | AE01346 | ND |
2018-01-18 | AE09281 | ND |
2018-01-18 | AE09275 | ND |
2018-01-18 | AE09279 | ND |
2018-01-18 | AE09277 | ND |
2019-02-15 | AE54742 | ND |
2019-02-15 | AE54740 | ND |
2019-02-15 | AE54738 | ND |
2019-06-17 | AE70889 | ND |
2019-07-15 | AE74425 | ND |