1,1-Dichloroethylene
City of Lancaster
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 |
---|---|---|
2014-04-22 | 2003193001 | ND |
2014-04-22 | 2003193002 | ND |
2015-05-26 | 12850316 | ND |
2015-05-26 | 12850337 | ND |
2016-06-30 | 14698090 | ND |
2016-06-30 | 14698132 | ND |
2017-07-19 | 16529277 | ND |
2017-07-19 | 16529278 | ND |
2018-04-23 | 1810508-01 | ND |
2018-04-23 | 1810508-02 | ND |
2019-01-31 | 3013972001 | ND |
2019-01-31 | 3013972003 | ND |