cis-1,2-Dichloroethylene
Parkland Light & Water Company
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 3 | 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 | Lab ID | Result |
|---|---|---|
| 2019-08-12 | ND | |
| 2019-08-12 | ND | |
| 2019-11-06 | ND | |
| 2021-08-18 | 4174135 | ND |
| 2021-08-18 | 4174138 | ND |
| 2021-08-18 | 4174134 | ND |
| 2021-08-18 | 4174137 | ND |
| 2021-11-18 | 4251575 | ND |
| 2021-12-07 | 4216627 | ND |
| 2022-08-23 | 4366531 | ND |
| 2022-08-23 | 4366537 | ND |
| 2022-08-23 | 4366534 | ND |