1,1,2,2-Tetrachloroethane
Hawthorne Water Department
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 | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-02-19 | 5701-004-0910 | ND |
2014-05-21 | 5701-004-1110 | ND |
2015-05-27 | 5701-004-1106 | ND |
2016-05-18 | 5701-004-0945 | ND |
2016-07-13 | 9590-008-0915 | ND |
2017-01-18 | 5701-004-1030 | ND |
2017-07-31 | 5701-004-1140 | ND |
2017-10-18 | 5701-004-1030 | ND |
2018-01-24 | 5701-004-0840 | ND |
2018-04-18 | 5810-004-0930 | ND |
2018-07-26 | 5701-004-0900 | ND |
2018-10-17 | 9590-004-1055 | ND |
2019-01-23 | 9590-004-1055 | ND |
2019-04-17 | 5701-004-1120 | ND |
2019-07-17 | 5701-004-1315 | ND |
2019-10-16 | 5701-004-1110 | ND |