cis-1,2-Dichloroethylene
Theresa Waterworks
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-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 |
---|---|---|
2014-05-06 | 784405 | ND |
2014-05-06 | 784406 | ND |
2015-01-21 | 840157 | ND |
2015-01-21 | 840160 | ND |
2016-08-16 | 939653 | ND |
2017-06-06 | 995706 | ND |
2017-06-06 | 995703 | ND |
2018-09-12 | 1080103 | ND |
2019-07-02 | 1132019 | ND |
2019-07-16 | 1134783 | ND |