1,1-Dichloroethane
Stony Brook Water District
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.0740 ppb | 4 | 3 | ND - 0.136 ppb |
2015 | 0.0495 ppb | 13 | 2 | ND - 0.510 ppb |
2016 | 0.157 ppb | 1 | 1 | 0.157 ppb |
2017 | 0.148 ppb | 1 | 1 | 0.148 ppb |
2018 | N/A | 0 | 0 | N/A |
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 | Lab ID | Result |
---|---|---|
2014-06-16 | 107615P | ND |
2014-07-29 | 108992R | 0.136 ppb |
2014-12-15 | 110734P | 0.0500 ppb |
2014-12-15 | 110735P | 0.110 ppb |