1,1,2,2-Tetrachloroethane
Grants Way Pump District
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-01-30 | S438321 | ND |
| 2014-04-23 | S479078 | ND |
| 2014-07-23 | L5171337-1 | ND |
| 2014-10-15 | S257742 | ND |
| 2015-01-15 | S504601 | ND |
| 2015-04-21 | S580497 | ND |
| 2015-08-24 | S612406 | ND |
| 2015-10-20 | S614751 | ND |
| 2016-04-26 | S602069 | ND |
| 2017-04-20 | S614596 | ND |
| 2018-04-20 | S770570 | ND |
| 2019-08-13 | S848139 | ND |