1,1-Dichloroethylene
Crystal Clear WSC
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 | ND | 1 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-09-04 | AC65845 | ND |
2015-07-30 | AD01820 | ND |
2015-07-30 | AD01810 | ND |
2015-12-07 | AD15746 | ND |
2015-12-07 | AD15742 | ND |
2015-12-07 | AD15736 | ND |
2016-03-16 | AD29061 | ND |
2016-03-16 | AD29065 | ND |
2016-06-07 | AD39628 | ND |
2017-02-07 | AD69210 | ND |
2017-02-07 | AD69216 | ND |
2018-02-13 | AE13586 | ND |
2018-02-13 | AE13582 | ND |
2018-08-09 | AE36386 | ND |
2019-01-28 | AE51626 | ND |
2019-01-28 | AE51624 | ND |