cis-1,2-Dichloroethylene
South Kingstown-south Shore
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.
10
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2018-09-20 | 1804157-01_TO12 | ND |
| 2019-09-26 | 1904399-01_TO12 | ND |
| 2020-08-03 | 2003233-01_TO12 | ND |
| 2020-08-03 | 2003233-03_TO12 | ND |
| 2020-08-03 | 2003233-02_TO12 | ND |
| 2021-09-28 | 2104543-01_TO12 | ND |
| 2022-09-15 | 2204140-01_TO12 | ND |
| 2023-08-01 | 2303773-01_TO12 | ND |
| 2023-08-01 | 2303773-02_TO12 | ND |
| 2023-08-01 | 2303773-03_TO12 | ND |