1,1,2,2-Tetrachloroethane
El Monte Water Department
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.
14
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 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 | Lab ID | Result |
|---|---|---|
| 2014-01-28 | 9588-006-1035 | ND |
| 2014-07-28 | 9588-009-1030 | ND |
| 2015-01-13 | 9588-006-1015 | ND |
| 2016-01-11 | 9588-006-1045 | ND |
| 2016-07-07 | 9588-009-0950 | ND |
| 2017-01-30 | 9588-006-1350 | ND |
| 2017-08-03 | 9588-009-0945 | ND |
| 2018-01-25 | 9588-006-1130 | ND |
| 2018-07-25 | 9588-009-1300 | ND |
| 2019-01-31 | 9588-006-1050 | ND |
| 2019-05-28 | 9588-043-1310 | ND |
| 2019-05-28 | 9588-044-1240 | ND |
| 2019-05-28 | 9588-045-1255 | ND |
| 2019-07-25 | 9588-009-1430 | ND |