1,1-Dichloroethane
Hill Air Force Base
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
11
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 | 0.00500 ppb | 10 | 1 | ND - 0.0500 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 3 ppb
The EWG Health Guideline of 3 ppb for 1,1-dichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-03-27 | ND |
| 2014-03-27 | ND |
| 2014-03-27 | ND |
| 2014-03-27 | ND |
| 2014-06-17 | ND |
| 2014-09-09 | ND |
| 2014-09-09 | 0.0500 ppb |
| 2014-09-09 | ND |
| 2014-09-09 | ND |
| 2014-12-01 | ND |
| 2018-01-11 | ND |