1,1,2,2-Tetrachloroethane
Swansea Water District
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.
34
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 | 6 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 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 | Result |
|---|---|
| 2014-03-10 | ND |
| 2014-03-10 | ND |
| 2014-03-24 | ND |
| 2014-10-21 | ND |
| 2014-10-21 | ND |
| 2014-10-21 | ND |
| 2015-01-21 | ND |
| 2015-01-21 | ND |
| 2015-10-09 | ND |
| 2015-10-09 | ND |
| 2015-10-09 | ND |
| 2015-10-09 | ND |
| 2016-01-12 | ND |
| 2016-03-08 | ND |
| 2016-10-27 | ND |
| 2016-10-27 | ND |
| 2016-10-27 | ND |
| 2016-10-27 | ND |
| 2017-03-20 | ND |
| 2017-03-20 | ND |
| 2017-10-18 | ND |
| 2017-10-18 | ND |
| 2017-10-18 | ND |
| 2017-11-14 | ND |
| 2018-01-18 | ND |
| 2018-03-19 | ND |
| 2018-12-10 | ND |
| 2018-12-10 | ND |
| 2018-12-10 | ND |
| 2019-03-14 | ND |
| 2019-03-14 | ND |
| 2019-12-12 | ND |
| 2019-12-12 | ND |
| 2019-12-12 | ND |