cis-1,2-Dichloroethylene
Veolia Water Pa Dallas
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.
16
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 | 1 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-02-14 | 2295844001 | ND |
| 2019-02-08 | 1902-806-1 | ND |
| 2020-02-12 | 21682487.00 | ND |
| 2020-02-12 | 21682467.00 | ND |
| 2020-02-12 | 21682447.00 | ND |
| 2020-02-12 | 21682427.00 | ND |
| 2020-02-12 | 21682407.00 | ND |
| 2020-02-12 | 21682387.00 | ND |
| 2021-01-14 | 23727970.00 | ND |
| 2022-03-01 | 26131893.00 | ND |
| 2023-02-06 | 28363770.00 | ND |
| 2023-02-06 | 28363791.00 | ND |
| 2023-02-06 | 28363812.00 | ND |
| 2023-02-06 | 28363833.00 | ND |
| 2023-02-06 | 28363854.00 | ND |
| 2023-02-06 | 28363875.00 | ND |