cis-1,2-Dichloroethylene
Bernville Borough
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 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-04-13 | 8043123-01 | ND |
| 2019-04-10 | 9042470-01 | ND |
| 2019-09-18 | 9093450-01 | ND |
| 2020-04-13 | 22070919.00 | ND |
| 2020-04-27 | 22262639.00 | ND |
| 2021-04-12 | 24291820.00 | ND |
| 2021-05-24 | 24486223.00 | ND |
| 2022-04-12 | 26507638.00 | ND |
| 2022-05-09 | 26695356.00 | ND |
| 2023-04-10 | 28750558.00 | ND |
| 2023-06-12 | 29156826.00 | ND |