cis-1,2-Dichloroethylene
Erwin Utilities
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.
17
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 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 | Result |
|---|---|
| 2018-02-22 | ND |
| 2018-06-13 | ND |
| 2018-08-02 | ND |
| 2018-10-23 | ND |
| 2019-03-12 | ND |
| 2019-05-08 | ND |
| 2019-08-13 | ND |
| 2019-12-12 | ND |
| 2020-02-11 | ND |
| 2020-02-11 | ND |
| 2021-02-10 | ND |
| 2021-06-29 | ND |
| 2021-06-29 | ND |
| 2021-11-08 | ND |
| 2021-11-08 | ND |
| 2022-02-15 | ND |
| 2022-05-11 | ND |