1,1-Dichloroethylene
Hawaii Volcanoes Nat.park
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
9
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2014-04-02 | C14-04-0071A | ND |
| 2015-09-09 | C15-09-0077A | ND |
| 2015-10-05 | C15-10-0006A | ND |
| 2015-10-05 | C15-10-0007A | ND |
| 2016-04-06 | ND | |
| 2016-07-13 | ND | |
| 2017-04-11 | ND | |
| 2018-11-07 | 8K08038-01 | ND |
| 2019-06-19 | C19-06-0093A | ND |