1,1,2,2-Tetrachloroethane
Colebrook Water Works
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 | 4 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-08-05 | 134351.01 | ND |
2014-08-05 | 134351.02 | ND |
2015-03-04 | 140996.01 | ND |
2015-03-04 | 140996.02 | ND |
2015-08-11 | 146796.01 | ND |
2015-08-11 | 146796.02 | ND |
2016-03-30 | 154214.01 | ND |
2016-03-30 | 154214.02 | ND |