1,1-Dichloroethylene
Heatherstone West S/d
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
22
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 | 3 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2018-01-10 | CA18304-01 | ND |
| 2018-01-10 | CA18303-01 | ND |
| 2018-04-05 | CB03372-01 | ND |
| 2018-08-16 | CB08166-01 | ND |
| 2018-10-25 | CB14352-01RE1 | ND |
| 2019-04-11 | CC04168-01 | ND |
| 2019-08-08 | CC10589-01 | ND |
| 2019-10-17 | CC15839-01 | ND |
| 2020-01-20 | CC19980-01 | ND |
| 2020-04-27 | CD03079-01 | ND |
| 2020-07-30 | CD08279-01 | ND |
| 2020-11-05 | CD13677-01 | ND |
| 2021-01-14 | CD18610-01 | ND |
| 2021-01-14 | CD18611-01 | ND |
| 2021-04-26 | CE02711-01 | ND |
| 2021-08-05 | CE07529-01 | ND |
| 2021-10-28 | CE12412-01 | ND |
| 2022-01-24 | CE17815-01 | ND |
| 2022-04-21 | CF02308-01 | ND |
| 2022-07-18 | CF07061-01 | ND |
| 2022-10-06 | CF12677-01 | ND |
| 2023-01-09 | 752-156-1 | ND |