cis-1,2-Dichloroethylene
Paw Blue Mountain Division
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.
21
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 | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-01-10 | 38160101 | ND |
| 2019-01-09 | 42498201 | ND |
| 2019-07-16 | 45238801 | ND |
| 2020-04-22 | 22086239.00 | ND |
| 2020-04-29 | 22086548.00 | ND |
| 2020-04-29 | 22086569.00 | ND |
| 2020-05-11 | 22278292.00 | ND |
| 2020-05-11 | 22278313.00 | ND |
| 2021-04-12 | 24308438.00 | ND |
| 2021-04-12 | 24308459.00 | ND |
| 2021-07-21 | 24889774.00 | ND |
| 2021-07-21 | 24889795.00 | ND |
| 2022-04-18 | 26522965.00 | ND |
| 2022-04-18 | 26522986.00 | ND |
| 2022-08-03 | 27300358.00 | ND |
| 2022-08-04 | 27300339.00 | ND |
| 2023-04-10 | 28766750.00 | ND |
| 2023-04-10 | 28766731.00 | ND |
| 2023-04-11 | 28766710.00 | ND |
| 2023-04-11 | 28766700.00 | ND |
| 2023-06-07 | 29172445.00 | ND |