1,1-Dichloroethylene
Lake Zurich
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 | 5 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 1 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-01-27 | 1401B54-001A | ND |
2014-02-03 | 1402055-001A | ND |
2014-02-03 | 1402055-003A | ND |
2014-02-18 | 1402743-001A | ND |
2014-02-24 | 1402A65-001A | ND |
2017-01-23 | 1701C49-001A | ND |
2018-02-26 | 18B0500-01_02 | ND |
2018-07-17 | 18G0682-01_02 | ND |
2018-07-17 | 18G0683-01_02 | ND |