cis-1,2-Dichloroethylene
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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.
11
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
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 | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-01-13 | 25005-3A | ND |
| 2014-12-17 | 30391-2 | ND |
| 2015-01-12 | 30751-2 | ND |
| 2015-10-02 | DWS1664-1 | ND |
| 2016-01-27 | DWS2317-2 | ND |
| 2017-01-23 | DWS4631-2 | ND |
| 2018-01-23 | 380123076 | ND |
| 2018-06-25 | 380625072 | ND |
| 2018-09-10 | 380910052A | ND |
| 2018-11-20 | 381120149 | ND |
| 2019-01-24 | 390124149.1 | ND |