1,1-Dichloroethylene
Welsh Mountain Home
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
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 | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2016-06-01 | 14368103 | ND |
2016-08-18 | 14867277 | ND |
2016-10-13 | 15192385 | ND |
2017-02-09 | 15759332 | ND |
2017-04-13 | 16055834 | ND |
2017-05-03 | 16217582 | ND |
2018-04-04 | 8042274-06 | ND |
2019-05-17 | 9054080-05 | ND |