1,1,2,2-Tetrachloroethane
City of Como
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 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2015-06-30 | Q1524793017 | ND |
2015-06-30 | Q1524793018 | ND |
2016-05-25 | Q1620556001 | ND |
2016-05-25 | Q1620556003 | ND |
2017-11-08 | Q1757394005 | ND |
2017-11-08 | Q1757394001 | ND |
2018-05-09 | Q1818832002 | ND |
2018-05-09 | Q1818832008 | ND |
2019-06-13 | Q1936216009 | ND |
2019-06-13 | Q1936216011 | ND |
2019-09-19 | Q1967125001 | ND |