1,1-Dichloroethylene
North Slope Borough - Point Lay
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-08-28 | VO*F1409001-01B | ND |
2015-06-23 | VO*3269571 | ND |
2016-06-07 | VO*3469114 | ND |
2017-06-06 | VO*3710463 | ND |
2018-06-27 | VO*3978810 | ND |
2019-03-27 | 4241731 | ND |
2019-06-13 | 4330135 | ND |
2019-08-13 | 4389474 | ND |
2019-11-05 | 4479838 | ND |