1,1,2,2-Tetrachloroethane
Sfpuc-pleasanton Wells
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 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-06-17 | 9553-004-1141 | ND |
2014-06-24 | 9553-005-0930 | ND |
2016-06-14 | 9553-004-1050 | ND |
2016-06-14 | 9553-005-1120 | ND |
2016-06-14 | 9553-007-0925 | ND |
2017-06-19 | 9553-004-0955 | ND |
2017-06-19 | 9553-005-1015 | ND |
2018-06-18 | 9553-004-1217 | ND |
2018-06-18 | 9553-005-1151 | ND |
2019-06-17 | 9553-005-0900 | ND |
2019-06-26 | 9553-004-1235 | ND |