cis-1,2-Dichloroethylene
Lakeview Ranchettes
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.
12
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 | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-02-22 | Q1807472003 | ND |
| 2018-11-07 | Q1844597001 | ND |
| 2019-03-27 | Q1912550003 | ND |
| 2019-09-19 | Q1966930001 | ND |
| 2020-11-18 | Q2045700001 | ND |
| 2020-11-18 | Q2045700004 | ND |
| 2021-06-14 | Q2115431010 | ND |
| 2021-06-14 | Q2115431012 | ND |
| 2022-08-08 | Q2222742006 | ND |
| 2022-11-28 | Q2235191001 | ND |
| 2023-11-13 | Q2348391001 | ND |
| 2023-11-13 | Q2348391003 | ND |