1,1,2,2-Tetrachloroethane
Riverside Highland Water Company
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.
9
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-06 | 4790-011-0848 | ND |
| 2014-07-07 | 4790-008-0830 | ND |
| 2014-10-06 | 4790-010-1041 | ND |
| 2015-04-01 | 4790-003-1000 | ND |
| 2016-07-06 | 4790-009-0945 | ND |
| 2016-10-04 | 4790-012-0825 | ND |
| 2017-01-05 | 4790-011-1030 | ND |
| 2017-06-13 | 5810-003-1006 | ND |
| 2017-07-06 | 5810-008-1225 | ND |