cis-1,2-Dichloroethylene
Faribault
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.
7
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 | 0.380 ppb | 1 | 1 | 0.380 ppb |
| 2019 | 1.30 ppb | 1 | 1 | 1.30 ppb |
| 2020 | 1.50 ppb | 2 | 2 | 1.40 ppb - 1.60 ppb |
| 2021 | 0.290 ppb | 1 | 1 | 0.290 ppb |
| 2022 | 0.490 ppb | 1 | 1 | 0.490 ppb |
| 2023 | 0.980 ppb | 1 | 1 | 0.980 ppb |
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 | 18D0324-01 | 0.380 ppb |
| 2019-06-11 | 19F0776-01 | 1.30 ppb |
| 2020-06-25 | 20F2066-01 | 1.40 ppb |
| 2020-07-08 | 20G0396-05 | 1.60 ppb |
| 2021-05-11 | 21E0574-01 | 0.290 ppb |
| 2022-02-08 | 22B0563-01 | 0.490 ppb |
| 2023-10-16 | 23J0745-01 | 0.980 ppb |