1,1,2,2-Tetrachloroethane
Atascosa Rural WSC
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-02-12 | AC42474 | ND |
2014-03-27 | AC48533 | ND |
2015-02-05 | AC79470 | ND |
2015-02-05 | AC79472 | ND |
2016-02-16 | AD23635 | ND |
2016-02-16 | AD23667 | ND |
2017-01-12 | AD64790 | ND |
2017-01-12 | AD64758 | ND |
2017-08-09 | AD92562 | ND |
2017-10-06 | AD99826 | ND |
2018-01-18 | AE09253 | ND |
2018-01-18 | AE09255 | ND |
2018-01-18 | AE09251 | ND |
2018-04-06 | AE21722 | ND |
2019-01-11 | AE49573 | ND |
2019-01-11 | AE49569 | ND |
2019-01-11 | AE49571 | ND |