cis-1,2-Dichloroethylene
Woods of Ashbury S/d
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.
14
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-08-24 | CB08339-01 | ND |
| 2018-08-24 | CB08339-03 | ND |
| 2018-12-05 | CB15011-03 | ND |
| 2018-12-26 | CB20251-01 | ND |
| 2019-05-02 | CC04418-01 | ND |
| 2019-08-14 | CC10759-01 | ND |
| 2019-08-14 | CC10759-03 | ND |
| 2019-10-29 | CC15996-01 | ND |
| 2020-07-22 | CD08430-01 | ND |
| 2020-07-22 | CD08430-03 | ND |
| 2021-08-10 | CE07713-01 | ND |
| 2021-08-10 | CE07713-03 | ND |
| 2022-09-13 | CF07227-01 | ND |
| 2023-09-28 | 37729_23-55237 | ND |