cis-1,2-Dichloroethylene
Watseka
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.
21
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 | 0.567 ppb | 3 | 1 | ND - 1.70 ppb |
| 2021 | 1.10 ppb | 5 | 3 | ND - 2.80 ppb |
| 2022 | 0.280 ppb | 9 | 1 | ND - 2.52 ppb |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2020-01-28 | 0014982-01 | ND |
| 2020-01-28 | 0014982-02 | ND |
| 2020-10-29 | 0105534-01 | 1.70 ppb |
| 2021-03-03 | EC00772-01 | ND |
| 2021-05-12 | EE02329-01 | ND |
| 2021-07-07 | EG01127-01 | 1.10 ppb |
| 2021-11-10 | EK02421-01 | 1.60 ppb |
| 2021-12-08 | EL01853-01 | 2.80 ppb |
| 2022-01-05 | 22A0132-02 | 2.52 ppb |
| 2022-01-12 | 22A0274-02 | ND |
| 2022-01-12 | 22A0272-02 | ND |
| 2022-05-04 | FE00793-01 | ND |
| 2022-05-04 | FE00793-02 | ND |
| 2022-08-17 | FH03848-01 | ND |
| 2022-08-17 | FH03848-07 | ND |
| 2022-11-02 | FK00562-02 | ND |
| 2022-11-02 | FK00562-01 | ND |
| 2023-04-18 | GD03221-01 | ND |
| 2023-04-18 | GD03221-02 | ND |
| 2023-05-03 | GE01334-01 | ND |
| 2023-05-03 | GE01334-02 | ND |