1,1,2,2-Tetrachloroethane
Harris County MUD 55 Heritage Park
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
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 | 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 |
---|---|---|
2015-01-16 | AC76642 | ND |
2015-01-16 | AC76640 | ND |
2016-02-10 | AD23096 | ND |
2016-06-20 | AD41191 | ND |
2017-01-25 | AD66804 | ND |
2017-05-24 | AD85492 | ND |
2018-01-23 | AE09856 | ND |
2018-01-23 | AE09858 | ND |
2019-02-26 | AE56014 | ND |
2019-02-26 | AE56012 | ND |