o-Dichlorobenzene
City of Hurst
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-08-13 | Q1436928004 | ND |
2014-08-13 | Q1436928002 | ND |
2015-04-09 | Q1513322006 | ND |
2015-04-09 | Q1513322004 | ND |
2015-04-09 | Q1513322001 | ND |
2016-03-21 | AD29581 | ND |
2016-07-11 | Q1627746002 | ND |
2016-07-11 | Q1627746006 | ND |
2016-07-11 | Q1627746004 | ND |
2017-01-04 | Q1700326003 | ND |
2017-01-04 | Q1700326012 | ND |
2017-07-24 | Q1730292001 | ND |
2018-07-10 | Q1826956005 | ND |
2018-07-10 | Q1826956002 | ND |
2018-10-02 | Q1839327002 | ND |
2019-01-16 | Q1902266010 | ND |
2019-01-16 | Q1902266002 | ND |
2019-04-17 | Q1915359005 | ND |