1,1-Dichloroethylene
Jblm Mcchord Field
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 9 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-06-18 | 27849 | ND |
2014-08-13 | 36701 | ND |
2015-06-24 | 50001 | ND |
2015-09-21 | 70006 | ND |
2016-03-24 | ND | |
2016-03-24 | ND | |
2016-04-21 | ND | |
2016-04-21 | ND | |
2016-04-21 | ND | |
2016-09-01 | ND | |
2016-09-01 | ND | |
2016-09-22 | ND | |
2016-12-22 | ND | |
2017-06-06 | ND | |
2017-06-06 | ND | |
2017-06-06 | ND | |
2017-06-06 | ND | |
2017-06-06 | ND | |
2017-06-06 | ND | |
2017-06-06 | ND | |
2017-06-06 | ND | |
2018-08-14 | ND | |
2018-08-14 | ND | |
2019-07-31 | ND |