1,1,2,2-Tetrachloroethane
City of Lathrop
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.
10
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 | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-04-01 | 1610-005-0905 | ND |
| 2015-04-07 | 1610-006-0832 | ND |
| 2015-04-07 | 1610-007-0854 | ND |
| 2016-04-05 | 9590-008-0908 | ND |
| 2016-04-19 | 9590-016-0808 | ND |
| 2017-04-03 | 9590-005-1012 | ND |
| 2018-07-23 | 5867-006-0837 | ND |
| 2018-07-23 | 5867-007-0810 | ND |
| 2019-06-03 | 5867-008-0905 | ND |
| 2019-06-03 | 5867-016-0918 | ND |