1,1,2,2-Tetrachloroethane
Windsor Water Utility North
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.
10
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 | 3 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 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 |
|---|---|---|
| 2014-08-26 | 153487001 | ND |
| 2014-09-22 | 158728001 | ND |
| 2014-10-22 | 165118001 | ND |
| 2015-03-02 | 181210001 | ND |
| 2015-04-27 | 189820001 | ND |
| 2015-07-13 | 204839001 | ND |
| 2015-10-20 | 224588001 | ND |
| 2016-03-14 | 700307 | ND |
| 2016-05-24 | 256303001 | ND |
| 2016-06-07 | 258536001 | ND |