1,1,2,2-Tetrachloroethane
City of Orange
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.
11
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2015-01-21 | AC77079 | ND |
| 2015-01-21 | AC77073 | ND |
| 2016-05-18 | AD37514 | ND |
| 2016-05-18 | AD37522 | ND |
| 2017-02-22 | AD71757 | ND |
| 2017-02-22 | AD71743 | ND |
| 2018-01-10 | AE08637 | ND |
| 2018-01-10 | AE08641 | ND |
| 2019-02-12 | AE54144 | ND |
| 2019-02-12 | AE54140 | ND |
| 2019-10-30 | AE87998 | ND |