1,1,2,2-Tetrachloroethane
Rio Waterworks
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.
19
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 | 5 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-07-28 | 147663002 | ND |
| 2014-07-28 | 147663001 | ND |
| 2014-08-04 | 148747001 | ND |
| 2014-09-09 | 155868001 | ND |
| 2014-09-09 | 155866001 | ND |
| 2015-02-09 | 178688001 | ND |
| 2015-08-12 | 211382001 | ND |
| 2015-08-12 | 211381001 | ND |
| 2016-07-21 | 267709001 | ND |
| 2016-08-31 | 274996001 | ND |
| 2016-08-31 | 274994001 | ND |
| 2017-09-19 | 923296 | ND |
| 2017-09-19 | 923305 | ND |
| 2018-07-10 | 393175001 | ND |
| 2018-08-15 | 401204001 | ND |
| 2018-08-15 | 401207001 | ND |
| 2019-02-19 | 431942001 | ND |
| 2019-08-12 | 462739001 | ND |
| 2019-08-12 | 462737001 | ND |