trans-1,2-Dichloroethylene
Honaker, Town of
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 4 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene 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) 100 ppb
The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-04-15 | E140305888 | ND |
2014-04-15 | E140305885 | ND |
2014-04-15 | E140305881 | ND |
2014-04-15 | E140305882 | ND |
2015-06-02 | VA010-DCLS | ND |
2015-06-02 | VA010-DCLS | ND |
2015-06-02 | VA010-DCLS | ND |
2015-06-02 | VA010-DCLS | ND |
2016-04-12 | E160305289 | ND |
2016-04-12 | E160305275 | ND |
2016-04-12 | E160305301 | ND |
2016-04-12 | E160305279 | ND |
2017-05-23 | E170301632 | ND |
2017-05-23 | E170301633 | ND |
2017-05-23 | E170301630 | ND |
2017-05-23 | E170301626 | ND |
2018-04-23 | E180307252 | ND |
2018-08-22 | E180700419 | ND |
2018-12-19 | E181001665 | ND |
2018-12-27 | E181206857 | ND |
2018-12-27 | E181206858 | ND |
2018-12-27 | E181206859 | ND |
2019-04-08 | E190308185 | ND |
2019-08-21 | E190607897 | ND |
2019-11-13 | E191004917 | ND |
2019-11-13 | E191004918 | ND |