1,1-Dichloroethylene
Silver Cholla Mobile Home Park
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | 0.450 ppb | 4 | 1 | ND - 1.80 ppb |
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 |
---|---|---|
2016-10-03 | 201610050062V | ND |
2019-02-05 | 201902060237V | 1.80 ppb |
2019-04-01 | 19D0054-01(4V) | ND |
2019-07-08 | 19G0815-01 | ND |
2019-10-07 | 19J0857-01 | ND |