1,1-Dichloroethylene
Town of Warrenton
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-09-09 | E140606030 | ND |
| 2015-09-15 | VA010-DCLS | ND |
| 2016-09-20 | E160603992 | ND |
| 2016-09-20 | E160603978 | ND |
| 2016-09-20 | E160603990 | ND |
| 2017-08-22 | E170608404 | ND |
| 2018-06-25 | E180607845 | ND |
| 2018-07-23 | E180702460 | ND |
| 2019-08-27 | E190610081 | ND |
| 2019-08-27 | E190610086 | ND |
| 2019-08-27 | E190610091 | ND |