cis-1,2-Dichloroethylene
White Rock
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.
10
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-04-12 | AP05205 | ND |
| 2018-08-22 | E19000629001 | ND |
| 2019-04-11 | AQ05231 | ND |
| 2019-06-12 | E19004282001 | ND |
| 2020-06-11 | E20003821001 | ND |
| 2021-04-21 | E21002981001 | ND |
| 2021-04-29 | 3172965005 | ND |
| 2022-04-21 | 3239119005 | ND |
| 2023-04-20 | 3299310005 | ND |
| 2023-05-09 | E2300276307 | ND |