1,1-Dichloroethylene
Bridgeport Utilities Board
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 | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-08-06 | AC78489 | ND |
2014-11-05 | AC88436 | ND |
2015-08-12 | AD17813 | ND |
2016-08-03 | 1609871-1 | ND |
2017-07-19 | 1710065-2 | ND |
2018-09-05 | L1023549-02 | ND |
2019-06-26 | L1112949-01 | ND |
2019-07-31 | L1124032-01 | ND |