1,1,2,2-Tetrachloroethane
Murray City Water System
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.
37
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 14 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 15 | 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 |
|---|---|
| 2014-06-27 | ND |
| 2014-09-17 | ND |
| 2014-09-29 | ND |
| 2015-08-26 | ND |
| 2016-04-20 | ND |
| 2016-05-09 | ND |
| 2016-06-06 | ND |
| 2016-06-06 | ND |
| 2016-06-08 | ND |
| 2016-06-08 | ND |
| 2016-06-09 | ND |
| 2016-06-09 | ND |
| 2016-06-13 | ND |
| 2016-06-14 | ND |
| 2016-06-15 | ND |
| 2016-06-17 | ND |
| 2016-06-17 | ND |
| 2016-09-29 | ND |
| 2017-04-28 | ND |
| 2017-06-22 | ND |
| 2018-02-05 | ND |
| 2018-10-05 | ND |
| 2019-03-08 | ND |
| 2019-03-08 | ND |
| 2019-05-22 | ND |
| 2019-05-22 | ND |
| 2019-05-30 | ND |
| 2019-05-30 | ND |
| 2019-06-05 | ND |
| 2019-06-05 | ND |
| 2019-06-12 | ND |
| 2019-06-12 | ND |
| 2019-06-13 | ND |
| 2019-06-13 | ND |
| 2019-06-19 | ND |
| 2019-06-21 | ND |
| 2019-06-21 | ND |