cis-1,2-Dichloroethylene
Bcwsa New Hope
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.
14
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-05-10 | 8043140-02 | ND |
| 2018-05-10 | 8043140-03 | ND |
| 2019-03-27 | 9002935-01 | ND |
| 2019-03-27 | 9002936-01 | ND |
| 2020-03-09 | 21833906.00 | ND |
| 2020-03-09 | 21833930.00 | ND |
| 2020-11-17 | 23350006.00 | ND |
| 2021-03-08 | 24046645.00 | ND |
| 2021-03-08 | 24046594.00 | ND |
| 2022-03-14 | 26275778.00 | ND |
| 2022-03-18 | 26275605.00 | ND |
| 2023-03-13 | 28688352.00 | ND |
| 2023-05-08 | 28885874.00 | ND |
| 2023-07-28 | 29289277.00 | ND |