1,1,2,2-Tetrachloroethane
Yolo County Housing Authority
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 | N/A | 0 | 0 | N/A |
2017 | ND | 1 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2015-08-10 | 1233-001-1245 | ND |
2015-08-10 | 1233-002-1225 | ND |
2017-07-05 | 1233-001-1140 | ND |
2018-07-19 | 1233-002-0845 | ND |
2018-08-15 | 1233-009-1000 | ND |
2018-11-14 | 1233-009-0950 | ND |
2019-02-20 | 1233-009-0900 | ND |
2019-05-08 | 1233-001-0900 | ND |