1,1-Dichloroethylene
Laurel Mobile Home Park
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
Samples
1
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 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 6.13 ppb | 4 | 1 | ND - 24.5 ppb |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 | Result |
|---|---|
| 2019-03-24 | ND |
| 2019-05-21 | ND |
| 2019-12-09 | ND |
| 2021-01-13 | 24.5 ppb |
| 2021-06-09 | ND |
| 2021-08-18 | ND |
| 2021-11-10 | ND |
| 2022-02-23 | ND |
| 2023-03-22 | ND |