1,1,2,2-Tetrachloroethane
Matagorda County Water Control and Improvement District 2
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2015-03-27 | AC86561 | ND |
| 2015-03-27 | AC86545 | ND |
| 2015-09-25 | AD08792 | ND |
| 2015-10-27 | AD11846 | ND |
| 2016-03-16 | AD29109 | ND |
| 2016-06-16 | AD41003 | ND |
| 2017-02-09 | AD69948 | ND |
| 2017-02-09 | AD70004 | ND |
| 2018-02-06 | AE12520 | ND |
| 2018-05-22 | AE27276 | ND |
| 2019-02-14 | AE54642 | ND |