1,1-Dichloroethylene
Mc Henry
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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 3 | 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 |
---|---|---|
2014-01-28 | 4013669-01 | ND |
2014-01-28 | 4013669-02 | ND |
2016-01-18 | 6012928-01 | ND |
2016-10-26 | 6104223-01 | ND |
2018-04-25 | 8044491-01 | ND |
2018-05-21 | 18E0875-01_02 | ND |
2018-07-23 | 18G1042-01_02 | ND |
2019-02-25 | 9024083-01 | ND |
2019-11-18 | 9112960-01 | ND |