cis-1,2-Dichloroethylene
City of Danville
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 | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-02-07 | E140201224 | ND |
2014-02-07 | E140201225 | ND |
2014-02-07 | E140201226 | ND |
2014-02-07 | E140201223 | ND |
2014-02-07 | E140201227 | ND |
2014-05-05 | E140307367 | ND |
2015-08-03 | VA010-DCLS | ND |
2016-08-10 | E160801241 | ND |
2017-08-01 | E170601537 | ND |
2018-08-06 | E180600781 | ND |
2019-08-05 | 92440178005 | ND |