1,1-Dichloroethylene
Pennsylvania American Water Company 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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-01-09 | 24400601 | ND |
2014-01-09 | 24401301 | ND |
2015-01-20 | 12366430 | ND |
2015-01-20 | 12366451 | ND |
2016-01-19 | 13834731 | ND |
2016-01-19 | 13834752 | ND |
2017-01-26 | 15615084 | ND |
2017-02-06 | 15752316 | ND |
2018-01-03 | 38153501 | ND |
2018-01-03 | 38153701 | ND |
2019-01-07 | 42491101 | ND |
2019-01-07 | 42491201 | ND |