cis-1,2-Dichloroethylene
North East Borough Water Department
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.
9
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 | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-04-09 | 8040821-01 | ND |
| 2019-04-15 | 9041306-01 | ND |
| 2020-04-16 | 22142800.00 | ND |
| 2020-07-23 | 22726956.00 | ND |
| 2021-04-22 | 24364570.00 | ND |
| 2021-07-08 | 24949267.00 | ND |
| 2021-10-28 | 25520324.00 | ND |
| 2022-04-07 | 26578472.00 | ND |
| 2023-04-06 | 28827159.00 | ND |