cis-1,2-Dichloroethylene
South Berwick 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 | 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
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 |
---|---|---|
2014-05-01 | ND | |
2014-05-01 | ND | |
2014-05-01 | ND | |
2014-05-01 | ND | |
2015-05-27 | K006684001 | ND |
2015-05-27 | K006683001 | ND |
2015-05-27 | K006682001 | ND |
2015-05-27 | K006681001 | ND |
2016-07-28 | L010667001 | ND |
2016-07-28 | L010666001 | ND |
2016-07-28 | L010665001 | ND |
2016-07-28 | L010664001 | ND |
2017-06-06 | 1702253-01 | ND |
2017-06-06 | 1702250-01 | ND |
2017-06-06 | 1702251-01 | ND |
2017-06-06 | 1702252-01 | ND |
2018-06-27 | 1804719-01 | ND |
2018-06-27 | 1804722-01 | ND |
2018-06-27 | 1804721-01 | ND |
2018-06-27 | 1804720-01 | ND |
2019-06-06 | 1904423-01 | ND |
2019-06-06 | 1904422-01 | ND |
2019-06-06 | 1904421-01 | ND |
2019-06-06 | 1904420-01 | ND |