cis-1,2-Dichloroethylene
Parkside
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.
1
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 | 0.0737 ppb | 38 | 2 | ND - 1.70 ppb |
| 2019 | 0.0670 ppb | 37 | 3 | ND - 0.900 ppb |
| 2020 | ND | 39 | 0 | ND |
| 2021 | 0.0611 ppb | 18 | 2 | ND - 0.600 ppb |
| 2022 | ND | 14 | 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 |
|---|---|---|
| 2023-09-22 | S1308092 | ND |