cis-1,2-Dichloroethylene
City of Greensboro
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 | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-07-29 | 173527-14 | ND |
2014-08-04 | 173543-14 | ND |
2015-05-11 | ND | |
2015-05-11 | ND | |
2016-05-10 | 534-16 | ND |
2016-05-10 | 531-16 | ND |
2017-04-05 | 485-17 | ND |
2017-04-05 | 487-17 | ND |
2018-05-14 | 807-18 | ND |
2018-05-14 | 810-18 | ND |
2019-04-08 | 3377-19 | ND |
2019-04-09 | 3380-19 | ND |