1,1-Dichloroethylene
City of West
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 | 3 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-02-17 | AC43247 | ND |
2015-03-18 | AC85087 | ND |
2015-09-21 | AD07872 | ND |
2015-10-22 | AD11496 | ND |
2016-01-14 | AD18287 | ND |
2017-02-06 | AD69196 | ND |
2018-07-17 | AE33603 | ND |
2019-04-18 | AE62967 | ND |
2019-08-12 | AE78070 | ND |
2019-11-04 | AE88315 | ND |