cis-1,2-Dichloroethylene
Edmonson County 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.
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-02-18 | 4020977-01 | ND |
| 2014-11-18 | 4111036-01 | ND |
| 2015-12-08 | 5120616-01 | ND |
| 2015-12-21 | 5121557-01 | ND |
| 2016-02-02 | 94855401 | ND |
| 2016-11-15 | 95517301 | ND |
| 2017-02-07 | 95681601 | ND |
| 2017-11-28 | 96322401 | ND |
| 2018-11-20 | 97159101 | ND |
| 2019-10-01 | 9100328-01 | ND |
| 2019-10-01 | 9100329-01 | ND |