1,1-Dichloroethylene
Plumstead Township Summer Hill Mead
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
16
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 | 3 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-04-13 | 8009708-01 | ND |
| 2019-06-27 | 9021152-01 | ND |
| 2019-08-16 | 9027726-01 | ND |
| 2019-10-11 | 9034969-01 | ND |
| 2020-01-17 | 21491346.00 | ND |
| 2020-02-24 | 21655460.00 | ND |
| 2021-05-21 | 24626304.00 | ND |
| 2021-05-21 | 24425568.00 | ND |
| 2021-07-16 | 24816629.00 | ND |
| 2021-10-13 | 25392670.00 | ND |
| 2022-01-14 | 25930591.00 | ND |
| 2022-01-14 | 25930570.00 | ND |
| 2022-04-08 | 26451660.00 | ND |
| 2023-01-13 | 28161039.00 | ND |
| 2023-01-13 | 28161060.00 | ND |
| 2023-04-27 | 28689291.00 | ND |