cis-1,2-Dichloroethylene
Dallas Acres
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 | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 5 | 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 |
|---|---|---|
| 2018-01-26 | CA18245-01 | ND |
| 2018-07-26 | CB08136-01 | ND |
| 2020-01-16 | CC19940-01 | ND |
| 2021-01-20 | CD18566-01 | ND |
| 2021-07-30 | CE07511-01 | ND |
| 2021-10-20 | CE12385-01 | ND |
| 2022-01-26 | CE17762-01 | ND |
| 2022-01-26 | CE17762-03 | ND |
| 2022-05-18 | CF02259-01 | ND |
| 2022-07-13 | CF07024-01 | ND |
| 2022-10-19 | CF12638-01 | ND |
| 2023-01-31 | 752-2075-1 | ND |
| 2023-01-31 | 752-2075-2 | ND |
| 2023-05-09 | 37729_23-23529 | ND |
| 2023-08-17 | 37729_23-45970 | ND |
| 2023-10-26 | 37729_23-60706 | ND |