1,1,2,2-Tetrachloroethane
California Water Service Company - Hermosa / Redondo Beach
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.
12
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-06-25 | 5701-005-0925 | ND |
| 2014-09-03 | 5701-001-1450 | ND |
| 2015-06-17 | 5701-005-0950 | ND |
| 2015-08-26 | 5701-001-1210 | ND |
| 2016-06-21 | 5701-005-1300 | ND |
| 2016-08-17 | 9590-001-1010 | ND |
| 2017-06-21 | 5701-005-1330 | ND |
| 2018-06-21 | 5701-005-1015 | ND |
| 2018-07-27 | 9590-001-0935 | ND |
| 2018-12-20 | 9590-005-1245 | ND |
| 2019-12-26 | 9590-001-1300 | ND |
| 2019-12-27 | 9590-005-1105 | ND |