1,1,2,2-Tetrachloroethane
Ranch Crest Subdivision
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 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 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 |
|---|---|---|
| 2014-09-15 | AC66906 | ND |
| 2014-09-15 | AC66908 | ND |
| 2015-06-24 | AC97254 | ND |
| 2015-06-24 | AC97262 | ND |
| 2016-11-15 | AD58043 | ND |
| 2016-11-15 | AD58045 | ND |
| 2017-10-04 | AD99312 | ND |
| 2017-10-04 | AD99314 | ND |
| 2018-09-11 | AE39612 | ND |
| 2018-09-11 | AE39600 | ND |
| 2019-07-30 | AE76419 | ND |