1,1-Dichloroethane
Altoona Waterworks
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 | 0.220 ppb | 1 | 1 | 0.220 ppb |
2015 | 0.150 ppb | 1 | 1 | 0.150 ppb |
2016 | 0.420 ppb | 1 | 1 | 0.420 ppb |
2017 | 0.380 ppb | 1 | 1 | 0.380 ppb |
2018 | 0.340 ppb | 1 | 1 | 0.340 ppb |
2019 | 0.350 ppb | 1 | 1 | 0.350 ppb |
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 | 797067 | 0.220 ppb |
2015-06-22 | 866991 | 0.150 ppb |
2016-12-07 | 964760 | 0.420 ppb |
2017-03-08 | 976828 | 0.380 ppb |
2018-06-19 | 1062457 | 0.340 ppb |
2019-03-11 | 1108740 | 0.350 ppb |