1,1,2,2-Tetrachloroethane
City of San Clemente
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 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 |
|---|---|---|
| 2014-03-12 | 1805-021-0925 | ND |
| 2014-04-09 | 1805-004-1010 | ND |
| 2015-03-11 | 1805-021-1105 | ND |
| 2016-03-11 | 1805-021-1045 | ND |
| 2016-05-17 | 1805-004-1040 | ND |
| 2017-03-08 | 1805-021-1120 | ND |
| 2017-05-01 | 1805-004-0000 | ND |
| 2018-03-07 | 1805-021-0845 | ND |
| 2018-05-08 | 1805-004-0955 | ND |
| 2019-01-08 | 1805-021-1103 | ND |
| 2019-05-08 | 1805-004-0935 | ND |