1,1,2,2-Tetrachloroethane
Alameda County Water District
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 | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 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 |
---|---|---|
2014-05-27 | 9590-015-1020 | ND |
2014-07-21 | 9590-041-0955 | ND |
2014-07-21 | 9590-038-0955 | ND |
2014-07-22 | 9590-053-0905 | ND |
2014-07-22 | 9590-040-0925 | ND |
2015-07-06 | 9590-038-1000 | ND |
2015-07-06 | 9590-040-1105 | ND |
2015-07-06 | 9590-041-0921 | ND |
2015-07-21 | 9590-053-0905 | ND |
2016-07-21 | 9590-038-0915 | ND |
2016-07-21 | 9590-053-0940 | ND |
2016-07-21 | 9590-041-0905 | ND |
2016-07-21 | 9590-040-0825 | ND |
2017-07-17 | 9590-041-1005 | ND |
2017-07-17 | 9590-038-1030 | ND |
2017-07-25 | 9590-053-1032 | ND |
2017-07-25 | 9590-040-0915 | ND |
2018-07-11 | 9590-041-0755 | ND |
2018-07-11 | 9590-038-0726 | ND |
2018-07-17 | 9590-040-0850 | ND |
2018-07-17 | 9590-053-0845 | ND |
2019-04-16 | 9590-038-0800 | ND |
2019-04-23 | 9590-053-0745 | ND |
2019-04-30 | 9590-041-0905 | ND |
2019-06-04 | 9590-040-0815 | ND |