1,1-Dichloroethylene
Village of West Sullivan
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-09-02 | 2013146 | ND |
| 2021-08-04 | 2116088 | ND |
| 2021-12-15 | 2118918 | ND |
| 2021-12-15 | 2117223 | ND |
| 2022-03-23 | 2121713 | ND |
| 2022-08-24 | 2214926 | ND |
| 2022-12-13 | 2219745 | ND |
| 2023-11-29 | 2303524 | ND |
| 2023-11-29 | 2223414 | ND |
| 2023-11-29 | 2313479 | ND |
| 2023-12-20 | 2319957 | ND |