1,1-Dichloroethylene
Sun Valley Gid
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
4
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 32 | 0 | ND |
| 2015 | ND | 36 | 0 | ND |
| 2016 | 0.0281 ppb | 43 | 2 | ND - 0.630 ppb |
| 2017 | ND | 50 | 0 | ND |
| 2018 | ND | 39 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2019-06-03 | 201906050398 | ND |
| 2019-06-03 | 201906050399 | ND |
| 2019-06-03 | 201906050400 | ND |
| 2019-06-03 | 201906050401 | ND |