1,1,2,2-Tetrachloroethane
City of San Juan Capistrano
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 | 3 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-12-23 | 9590-010-1508 | ND |
2015-02-10 | 9590-010-1111 | ND |
2015-05-19 | 9590-010-0808 | ND |
2015-08-24 | 9590-010-0911 | ND |
2016-02-29 | 9590-010-0809 | ND |
2017-02-08 | 9590-010-0815 | ND |
2018-06-13 | 9590-010-1322 | ND |
2019-03-27 | 4792-010-0715 | ND |
2019-07-08 | 4792-010-1215 | ND |
2019-10-15 | 4792-010-1230 | ND |