1,1-Dichloroethylene
Alpine Haven
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
6
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2016-08-17 | 1608-18264-001 | ND |
| 2018-03-05 | 1803-04734-001 | ND |
| 2018-05-10 | 1805-10623-001 | ND |
| 2018-07-16 | 1807-17180-001 | ND |
| 2018-12-12 | 1812-31862-001 | ND |
| 2019-11-13 | 1911-29637-001 | ND |