cis-1,2-Dichloroethylene
Hanson Water Department
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 | 6 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 6 | 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 | Result |
---|---|
2014-05-20 | ND |
2014-06-18 | ND |
2014-06-18 | ND |
2014-06-18 | ND |
2014-09-15 | ND |
2014-11-06 | ND |
2015-03-18 | ND |
2015-05-18 | ND |
2015-05-18 | ND |
2015-05-18 | ND |
2015-08-18 | ND |
2015-10-27 | ND |
2016-01-26 | ND |
2016-06-06 | ND |
2016-06-06 | ND |
2016-06-06 | ND |
2016-09-14 | ND |
2016-11-09 | ND |
2017-03-21 | ND |
2017-06-06 | ND |
2017-06-06 | ND |
2017-06-06 | ND |
2017-08-02 | ND |
2017-11-21 | ND |
2018-02-26 | ND |
2018-06-11 | ND |
2018-06-11 | ND |
2018-06-11 | ND |
2018-08-27 | ND |
2018-11-26 | ND |
2019-02-11 | ND |
2019-06-03 | ND |
2019-06-03 | ND |
2019-06-03 | ND |
2019-08-20 | ND |
2019-11-18 | ND |