1,1,2,2-Tetrachloroethane
Elderville Water Supply Corporation
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.
13
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 | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-06-04 | Q1419300005 | ND |
| 2014-06-04 | Q1419300003 | ND |
| 2014-07-24 | Q1430822003 | ND |
| 2015-02-17 | Q1506272001 | ND |
| 2015-02-17 | Q1506272004 | ND |
| 2015-08-03 | Q1529853002 | ND |
| 2016-01-13 | Q1601477002 | ND |
| 2016-01-13 | Q1601477004 | ND |
| 2017-01-10 | Q1701120001 | ND |
| 2017-10-05 | Q1749178006 | ND |
| 2018-01-10 | Q1801269002 | ND |
| 2018-01-10 | Q1801269004 | ND |
| 2019-09-05 | Q1962426001 | ND |