1,1,2,2-Tetrachloroethane
Darboy Sanitary District 1
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 | 3 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 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 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 |
---|---|---|
2014-05-29 | 5027069A | ND |
2014-08-21 | 812171 | ND |
2014-08-21 | 812173 | ND |
2015-05-13 | 5028921X | ND |
2016-05-13 | 5031080A | ND |
2016-08-12 | 938807 | ND |
2017-08-24 | 1013489 | ND |
2017-08-24 | 1013493 | ND |
2018-05-25 | 5034705B | ND |
2019-08-14 | 1140949 | ND |