cis-1,2-Dichloroethylene
Montmorenci Water District
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.
24
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 | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-02-27 | AE08322 | ND |
| 2018-05-23 | AE12655 | ND |
| 2018-08-22 | AE17063 | ND |
| 2018-11-13 | AE21220 | ND |
| 2019-02-20 | AE26033 | ND |
| 2019-04-30 | AE29543 | ND |
| 2019-08-27 | AE36167 | ND |
| 2019-11-05 | AE39706 | ND |
| 2020-01-14 | AE42850 | ND |
| 2020-04-08 | AE47044 | ND |
| 2020-08-25 | AE53392 | ND |
| 2020-10-07 | AE55472 | ND |
| 2021-02-03 | AE60574 | ND |
| 2021-04-07 | AE63774 | ND |
| 2021-08-25 | AE71041 | ND |
| 2021-11-09 | AE74852 | ND |
| 2022-02-23 | AE79524 | ND |
| 2022-04-07 | AE81832 | ND |
| 2022-04-07 | AE81833 | ND |
| 2022-08-24 | AE88862 | ND |
| 2022-11-02 | AE92454 | ND |
| 2023-02-01 | AE96329 | ND |
| 2023-04-05 | AE99712 | ND |
| 2023-10-04 | AF09676 | ND |