cis-1,2-Dichloroethylene
Greene County Regional Water System
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 | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-05-21 | 8030-052114-E04V | ND |
2014-09-04 | 8030-090414-E12V | ND |
2014-09-04 | 8030-090414-E09V | ND |
2015-05-13 | ND | |
2015-05-13 | ND | |
2015-05-13 | ND | |
2015-06-04 | ND | |
2015-06-04 | ND | |
2016-06-07 | 8030-060716-E09V | ND |
2016-06-07 | 8030-060716-E12V | ND |
2016-09-01 | 8030-090116-E05V | ND |
2016-09-01 | 8030-090116-E07V | ND |
2016-09-09 | 8030-090916-E03V | ND |
2017-05-18 | 8030-051817-E04V | ND |
2017-09-01 | 8030-090117-E09V | ND |
2017-09-01 | 8030-090117-E12V | ND |
2018-06-06 | 8030-060618-E08V | ND |
2018-06-06 | 8030-060618-E10V | ND |
2018-06-06 | 8030-060618-E11V | ND |
2018-09-07 | 8030-090718-E09V | ND |
2018-09-07 | 8030-090718-E12V | ND |
2019-08-27 | 8030-082719-E05V | ND |
2019-08-27 | 8030-082719-E07V | ND |
2019-09-23 | 8030-092319-E03V | ND |
2019-09-23 | 8030-092319-E09V | ND |
2019-09-23 | 8030-092319-E12V | ND |