1,1,2,2-Tetrachloroethane
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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.
11
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-01-13 | 25005-3A | ND |
| 2014-12-17 | 30391-2 | ND |
| 2015-01-12 | 30751-2 | ND |
| 2015-10-02 | DWS1664-1 | ND |
| 2016-01-27 | DWS2317-2 | ND |
| 2017-01-23 | DWS4631-2 | ND |
| 2018-01-23 | 380123076 | ND |
| 2018-06-25 | 380625072 | ND |
| 2018-09-10 | 380910052A | ND |
| 2018-11-20 | 381120149 | ND |
| 2019-01-24 | 390124149.1 | ND |