1,1,2,2-Tetrachloroethane
Covington County Water Authority
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.
17
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 | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-01-06 | 140107003-3 | ND |
| 2014-01-06 | 140107003-2 | ND |
| 2014-01-06 | 140107003-1 | ND |
| 2014-04-07 | 140408063-1 | ND |
| 2014-10-06 | 141006037-1 | ND |
| 2015-10-05 | 151006018-1 | ND |
| 2016-04-04 | 160505095-1 | ND |
| 2016-04-04 | 160505095-2 | ND |
| 2016-10-03 | 161004036-1 | ND |
| 2017-01-05 | 170109014-3 | ND |
| 2017-01-05 | 170109014-1 | ND |
| 2017-01-05 | 170109014-2 | ND |
| 2017-10-02 | V171003029-1 | ND |
| 2018-10-04 | 18100216-001A | ND |
| 2019-01-07 | 19010199-001A | ND |
| 2019-01-07 | 19010199-002A | ND |
| 2019-10-11 | 20126321001_IVOC | ND |