1,1-Dichloroethylene
Girard Borough Water Department
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 | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 1 | 0 | ND |
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 |
---|---|---|
2014-09-09 | 4090786-01 | ND |
2014-09-09 | 4090786-02 | ND |
2014-09-09 | 4090786-03 | ND |
2015-09-08 | 13341842 | ND |
2016-09-13 | 15015579 | ND |
2017-01-31 | 15739525 | ND |
2017-09-12 | 16822411 | ND |
2017-09-12 | 16822412 | ND |
2018-08-14 | 8081587-01 | ND |
2019-07-02 | 9070259-01 | ND |