1,1-Dichloroethylene
Umh Arbor Estates
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 | 1.60 ppb | 1 | 1 | 1.60 ppb |
2015 | 1.40 ppb | 1 | 1 | 1.40 ppb |
2016 | 0.800 ppb | 1 | 1 | 0.800 ppb |
2017 | 1.20 ppb | 1 | 1 | 1.20 ppb |
2018 | 1.000 ppb | 1 | 1 | 1.000 ppb |
2019 | ND | 1 | 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 |
---|---|---|
2014-03-20 | 14021668-01 | 1.60 ppb |
2015-05-11 | 12735729 | 1.40 ppb |
2016-03-28 | 13972349 | 0.800 ppb |
2017-11-06 | 17008315 | 1.20 ppb |
2018-04-02 | 8009162-01 | 1.000 ppb |
2019-05-13 | 9016459-01 | ND |