1,1-Dichloroethylene
Whitehall Twp Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
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 | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-02-13 | 8013120-01 | ND |
| 2018-02-13 | 8013121-01 | ND |
| 2019-02-05 | 9012093-01 | ND |
| 2019-02-05 | 9012092-01 | ND |
| 2020-02-04 | 21553224.00 | ND |
| 2020-02-04 | 21553329.00 | ND |
| 2020-02-04 | 21553308.00 | ND |
| 2020-02-04 | 21553287.00 | ND |
| 2020-02-04 | 21553203.00 | ND |
| 2021-02-04 | 23937744.00 | ND |
| 2021-02-04 | 23937765.00 | ND |
| 2022-02-03 | 26166529.00 | ND |
| 2022-02-03 | 26166550.00 | ND |
| 2023-02-07 | 28398974.00 | ND |
| 2023-02-07 | 28398995.00 | ND |
| 2023-02-07 | 28399016.00 | ND |
| 2023-02-07 | 28399058.00 | ND |
| 2023-02-07 | 28399037.00 | ND |