1,1-Dichloroethylene
Hardyston Township Municipal Utilities Authority
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 5 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 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 | Lab ID | Result |
|---|---|---|
| 2018-03-20 | L7010368-3 | ND |
| 2018-05-15 | L7025940-2 | ND |
| 2018-06-20 | L7042368-4 | ND |
| 2018-09-12 | L7071987-1 | ND |
| 2018-12-18 | L7089323-3 | ND |
| 2019-03-06 | L7108097-1 | ND |
| 2019-05-21 | L7123670-1 | ND |
| 2019-08-07 | L7152157-1 | ND |
| 2019-12-05 | L7176489-1 | ND |
| 2020-06-26 | 200626034-01 | ND |
| 2021-07-21 | 210721105-02 | ND |
| 2021-07-21 | 210721105-07 | ND |
| 2022-09-13 | 220913061-04 | ND |
| 2023-09-12 | 230912085-06 | ND |