1,1,2,2-Tetrachloroethane
Grand Lakes Municipal Utility District 4
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 | 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 |
---|---|---|
2015-05-11 | AC91354 | ND |
2015-05-11 | AC91338 | ND |
2016-05-17 | AD37047 | ND |
2016-05-17 | AD37049 | ND |
2017-10-04 | AD99306 | ND |
2017-10-04 | AD99304 | ND |
2018-07-17 | AE33601 | ND |
2018-07-17 | AE33595 | ND |
2019-04-12 | AE62303 | ND |
2019-04-12 | AE62293 | ND |