1,1,2,2-Tetrachloroethane
Rosebrook Water
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 | 5 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 1 | 0 | ND |
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 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 |
---|---|---|
2014-01-14 | 128211.01 | ND |
2014-04-08 | 130316.01 | ND |
2014-07-01 | 133130.01 | ND |
2014-10-07 | 136569.01 | ND |
2014-10-07 | 136570.01 | ND |
2015-03-03 | 140973.01 | ND |
2015-04-07 | 141939.01 | ND |
2015-07-21 | 145948.01 | ND |
2015-10-19 | 149322.01 | ND |
2015-10-19 | 149322.02 | ND |
2016-01-05 | 151873.01 | ND |
2016-04-11 | 154734.01 | ND |
2016-07-05 | 157890.01 | ND |
2016-10-04 | 161154.01 | ND |
2016-10-04 | 161151.01 | ND |
2017-01-03 | 164323.01 | ND |