1,1-Dichloroethylene
Central Garage Water System
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 | 2 | 0 | ND |
2016 | ND | 5 | 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 |
---|---|---|
2014-06-04 | E140303627 | ND |
2015-06-09 | VA010-DCLS | ND |
2015-09-16 | VA010-DCLS | ND |
2016-03-09 | E160100868 | ND |
2016-06-21 | E160300971 | ND |
2016-06-21 | E160300973 | ND |
2016-08-03 | E160604419 | ND |
2016-12-14 | E160806571 | ND |
2017-12-13 | E170805403 | ND |
2018-12-12 | E181002389 | ND |
2019-06-17 | E190305154 | ND |
2019-12-10 | E190903212 | ND |