1,1-Dichloroethane
Randolph Water Department
NOTE: Randolph Water Department purchases water from Randolph/Holbrook Water Board which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Randolph/Holbrook Water Board.
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 2 | 0 | ND |
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
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
NOTE: Randolph Water Department purchases water from Randolph/Holbrook Water Board which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Randolph/Holbrook Water Board.
| Date | Result |
|---|---|
| 2014-02-11 | ND |
| 2016-02-24 | ND |
| 2017-02-15 | ND |
| 2018-02-14 | ND |
| 2019-04-11 | ND |