trans-1,2-Dichloroethylene
Shawano Co. Utility
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 | 4 | 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 |
---|---|---|
2014-03-19 | 775750 | ND |
2014-04-15 | 780543 | ND |
2014-08-19 | 811520 | ND |
2014-11-18 | 832018 | ND |
2015-03-17 | 848835 | ND |
2015-06-15 | 865705 | ND |
2015-09-08 | 881303 | ND |
2015-11-17 | 894386 | ND |
2016-02-16 | 905511 | ND |
2016-04-18 | 916035 | ND |
2016-08-09 | 938143 | ND |
2016-10-25 | 955476 | ND |
2017-03-06 | 976137 | ND |
2017-05-30 | 994131 | ND |
2017-09-11 | 1017363 | ND |
2017-10-23 | 1025634 | ND |
2018-02-05 | 1039546 | ND |
2018-06-11 | 1060434 | ND |
2018-08-13 | 1073445 | ND |
2018-11-26 | 1094177 | ND |
2019-02-25 | 1106597 | ND |
2019-05-20 | 1122049 | ND |
2019-09-16 | 1148212 | ND |
2019-10-21 | 1156363 | ND |