cis-1,2-Dichloroethylene
Rankin
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.
8
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2015-06-23 | SF51156-01_01 | ND |
| 2018-06-13 | 18F0523-01 | ND |
| 2018-09-11 | 18I0360-01_01 | ND |
| 2018-11-27 | 18K0641-01_01 | ND |
| 2019-02-13 | 19B0271-01 | ND |
| 2019-06-18 | 19F0611-01 | ND |
| 2019-07-17 | 19G0540-01 | ND |
| 2019-12-17 | 19L0401-01 | ND |