1,1-Dichloroethylene
Rehoboth Beach 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 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 4 | 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 |
---|---|---|
2015-11-17 | S637349 | ND |
2016-08-30 | S694033 | ND |
2016-12-21 | S694897 | ND |
2017-08-22 | S738553 | ND |
2018-11-29 | S850881 | ND |
2018-11-29 | S850883 | ND |
2018-11-29 | S850885 | ND |
2018-12-14 | S853797 | ND |
2019-07-09 | S895563 | ND |
2019-09-23 | S909181 | ND |