1,1-Dichloroethylene
Salem Public Works
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-01-24 | 201801250239-V | ND |
| 2019-02-07 | 201902080338-V | ND |
| 2020-02-03 | 202002040118-V | ND |
| 2020-05-18 | 202005190119-V | ND |
| 2021-02-16 | 202102170345-V | ND |
| 2021-05-10 | 202105110678-V | ND |
| 2022-02-16 | 202202180003-V | ND |
| 2022-06-23 | 380-6930-1-V | ND |
| 2023-01-04 | 380-33407-1-V | ND |
| 2023-04-27 | 380-45315-1-V | ND |
| 2023-10-31 | 380-69271-1-V | ND |
| 2023-10-31 | 380-69235-1-V | ND |