cis-1,2-Dichloroethylene
Pennsylvania American Water Company - Mechanicsburg
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.
12
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 | 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 |
|---|---|---|
| 2018-01-03 | 38153501 | ND |
| 2018-01-03 | 38153701 | ND |
| 2019-01-07 | 42491101 | ND |
| 2019-01-07 | 42491201 | ND |
| 2020-01-13 | 21618048.00 | ND |
| 2020-01-13 | 21618069.00 | ND |
| 2021-01-05 | 23836397.00 | ND |
| 2021-01-05 | 23836418.00 | ND |
| 2022-01-20 | 26067531.00 | ND |
| 2022-01-20 | 26067552.00 | ND |
| 2023-01-11 | 28297551.00 | ND |
| 2023-01-11 | 28297574.00 | ND |