cis-1,2-Dichloroethylene
City of Ammon
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.
18
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 | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 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 |
|---|---|---|
| 2018-08-15 | VT180826705 | ND |
| 2018-08-22 | VT180836901 | ND |
| 2019-06-10 | VT190611409 | ND |
| 2019-07-01 | VT190700508 | ND |
| 2019-07-16 | VT190723807 | ND |
| 2020-06-09 | VT200615407 | ND |
| 2020-09-21 | VT200935801 | ND |
| 2020-10-19 | VT201027101 | ND |
| 2021-09-28 | VT210953701 | ND |
| 2022-06-07 | VT220611401 | ND |
| 2022-06-14 | VT220624202 | ND |
| 2022-06-15 | VT220628701 | ND |
| 2022-06-21 | VT220637001 | ND |
| 2023-06-06 | VT230607602 | ND |
| 2023-06-06 | VT230607606 | ND |
| 2023-07-11 | VT230715201 | ND |
| 2023-09-05 | VT230903604 | ND |
| 2023-12-13 | VT231221302 | ND |