1,1,2,2-Tetrachloroethane
City of Atwater
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.
20
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 | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 8 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2014-03-12 | 5806-903-0910 | ND |
| 2014-03-12 | 5806-902-0935 | ND |
| 2014-03-12 | 5806-901-0815 | ND |
| 2014-03-12 | 5806-900-0735 | ND |
| 2016-03-23 | 5806-018-0900 | ND |
| 2016-03-23 | 5806-021-1000 | ND |
| 2016-03-23 | 5806-019-0930 | ND |
| 2016-03-23 | 5806-013-0630 | ND |
| 2016-03-23 | 5806-017-0830 | ND |
| 2016-03-23 | 5806-016-0800 | ND |
| 2016-03-23 | 5806-015-0730 | ND |
| 2016-03-23 | 5806-014-0700 | ND |
| 2019-02-27 | 5806-017-0730 | ND |
| 2019-02-27 | 5806-016-1020 | ND |
| 2019-02-27 | 5806-018-0820 | ND |
| 2019-02-27 | 5806-019-0855 | ND |
| 2019-02-27 | 5806-015-0650 | ND |
| 2019-02-27 | 5806-021-1155 | ND |
| 2019-02-27 | 5806-014-1130 | ND |
| 2019-02-27 | 5806-013-1100 | ND |