1,1,2,2-Tetrachloroethane
Union PWS
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.
13
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 | 6 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 6 | 0 | ND |
| 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 |
|---|---|---|
| 2014-08-20 | AC33767 | ND |
| 2014-08-20 | AC33768 | ND |
| 2014-08-20 | AC33769 | ND |
| 2014-09-09 | AC34961 | ND |
| 2014-09-09 | AC34962 | ND |
| 2014-09-09 | AC34963 | ND |
| 2015-10-28 | AC62087 | ND |
| 2017-08-21 | AD04322 | ND |
| 2017-08-21 | AD04321 | ND |
| 2017-08-21 | AD04317 | ND |
| 2017-08-22 | AD04319 | ND |
| 2017-08-22 | AD04320 | ND |
| 2017-08-22 | AD04318 | ND |