cis-1,2-Dichloroethylene
Merrill Gardens Iris Canyon Ws
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 5 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2020-12-08 | CA2702816_005_005-202012081240 | ND |
| 2020-12-08 | CA2702816_001_001-202012081207 | ND |
| 2020-12-08 | CA2702816_002_002-202012081150 | ND |
| 2020-12-08 | CA2702816_004_004-202012081118 | ND |
| 2020-12-08 | CA2702816_003_003-202012081220 | ND |
| 2023-12-21 | CA2702816_001_001-202312211205 | ND |
| 2023-12-21 | CA2702816_003_003-202312211155 | ND |
| 2023-12-21 | CA2702816_002_002-202312211145 | ND |
| 2023-12-21 | CA2702816_004_004-202312211220 | ND |
| 2023-12-21 | CA2702816_005_005-202312211230 | ND |