1,1,2,2-Tetrachloroethane
Encinal Water Supply Corporation
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane 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 |
---|---|---|
2014-09-25 | AC68246 | ND |
2015-10-05 | AD09443 | ND |
2015-10-05 | AD09457 | ND |
2016-03-30 | AD31232 | ND |
2016-03-30 | AD31200 | ND |
2016-05-05 | AD35653 | ND |
2017-11-29 | AE06163 | ND |
2017-11-29 | AE06165 | ND |
2018-07-19 | AE33965 | ND |
2018-07-19 | AE33973 | ND |
2019-09-26 | AE84864 | ND |
2019-12-11 | AE92154 | ND |