cis-1,2-Dichloroethylene
Prattsville 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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2020-07-09 | CG31073-POC | ND |
| 2021-06-01 | CI41868 | ND |
| 2021-12-02 | CJ89169 | ND |
| 2022-03-24 | CK94265-POC | ND |
| 2022-05-04 | CL23008 | ND |
| 2022-08-11 | CM03438-POC | ND |
| 2022-10-06 | CM51426 | ND |
| 2023-03-02 | CN52181-POC | ND |
| 2023-05-04 | CN98335-POC | ND |
| 2023-08-03 | CO66019 | ND |
| 2023-11-02 | CP40215-POC | ND |