1,1,2,2-Tetrachloroethane
Ellensburg Water Department
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.
14
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 7 | 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 |
|---|---|---|
| 2014-03-05 | 09682 | ND |
| 2014-03-05 | 09683 | ND |
| 2015-04-20 | 16669 | ND |
| 2015-04-22 | 17403 | ND |
| 2017-10-30 | ND | |
| 2018-04-09 | ND | |
| 2018-04-09 | ND | |
| 2018-04-09 | ND | |
| 2018-04-10 | ND | |
| 2018-07-10 | ND | |
| 2018-09-12 | ND | |
| 2018-10-04 | ND | |
| 2019-02-06 | ND | |
| 2019-07-08 | ND |