1,1-Dichloroethylene
North Kona
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 | 9 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 8 | 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 |
---|---|---|
2014-03-18 | C14-03-0113A | ND |
2014-03-18 | C14-03-0114A | ND |
2014-03-18 | C14-03-0115A | ND |
2014-03-18 | C14-03-0116A | ND |
2014-03-18 | C14-03-0117A | ND |
2014-03-18 | C14-03-0118A | ND |
2014-03-18 | C14-03-0119A | ND |
2014-03-18 | C14-03-0120A | ND |
2014-03-18 | C14-03-0112A | ND |
2015-07-20 | C15-07-0346A | ND |
2015-08-19 | 201508150137 | ND |
2015-11-18 | 201508150170 | ND |
2016-03-09 | ND | |
2016-04-04 | ND | |
2017-03-14 | ND | |
2017-03-14 | ND | |
2017-03-14 | ND | |
2017-03-14 | ND | |
2017-03-14 | ND | |
2017-03-14 | ND | |
2017-09-11 | ND | |
2017-09-11 | ND | |
2018-08-13 | 201808151089 | ND |
2018-11-27 | 201811300217 | ND |
2018-12-03 | C18-12-0009A | ND |
2018-12-03 | C18-12-0010A | ND |
2019-04-15 | C19-04-0100A | ND |
2019-09-09 | 201909100461 | ND |