cis-1,2-Dichloroethylene
Madawaska Water District
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 | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 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
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 |
---|---|---|
2014-04-29 | ND | |
2014-04-29 | ND | |
2014-05-06 | ND | |
2015-03-24 | K006134001 | ND |
2015-03-24 | K006132001 | ND |
2015-03-25 | K006133001 | ND |
2016-04-26 | L009378001 | ND |
2016-05-03 | L009379001 | ND |
2016-05-31 | L009377001 | ND |
2017-05-23 | 1701624-01 | ND |
2017-05-23 | 1701623-01 | ND |
2017-05-24 | 1701622-01 | ND |
2018-05-01 | 1804340-01 | ND |
2018-05-01 | 1804342-01 | ND |
2018-05-08 | 1804341-01 | ND |
2019-04-30 | 1904021-01 | ND |
2019-04-30 | 1904022-01 | ND |
2019-05-16 | 1904020-01 | ND |