1,1,2,2-Tetrachloroethane
City of Corcoran
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.
15
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-03-25 | 5810-018-1106 | ND |
| 2014-03-25 | 5810-026-1045 | ND |
| 2014-06-16 | 5810-002-0800 | ND |
| 2014-12-22 | 5810-019-0840 | ND |
| 2016-11-10 | 5810-001-0915 | ND |
| 2016-12-14 | 5810-003-0740 | ND |
| 2016-12-14 | 5810-019-0830 | ND |
| 2016-12-28 | 5810-016-0750 | ND |
| 2017-02-13 | 5810-026-0850 | ND |
| 2017-04-19 | 5810-002-0950 | ND |
| 2017-04-19 | 5810-018-0900 | ND |
| 2017-09-06 | 5810-015-0855 | ND |
| 2018-05-18 | 5810-019-1400 | ND |
| 2019-10-09 | 5810-003-0900 | ND |
| 2019-10-14 | 5810-016-0900 | ND |