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.
12
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 | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-07-29 | 309717 | ND |
| 2014-08-19 | 310304 | ND |
| 2015-08-31 | 370883 | ND |
| 2015-12-16 | 391781 | ND |
| 2016-05-31 | ND | |
| 2016-09-28 | ND | |
| 2017-01-31 | ND | |
| 2017-08-30 | ND | |
| 2018-11-29 | 577254 | ND |
| 2018-12-20 | 560143 | ND |
| 2019-02-27 | 592283 | ND |
| 2019-04-30 | 604750 | ND |