1,1,2,2-Tetrachloroethane
McAllen Public Utility
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 | 2 | 0 | ND |
| 2015 | ND | 5 | 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 |
|---|---|---|
| 2014-08-18 | AC63987 | ND |
| 2014-08-18 | AC63989 | ND |
| 2015-03-12 | AC84169 | ND |
| 2015-06-10 | AC95446 | ND |
| 2015-08-06 | AD02990 | ND |
| 2015-08-06 | AD02982 | ND |
| 2015-11-18 | AD14071 | ND |
| 2016-06-30 | AD42708 | ND |
| 2016-08-02 | AD46659 | ND |
| 2017-04-19 | AD80199 | ND |
| 2017-07-12 | AD89107 | ND |
| 2018-08-15 | AE37228 | ND |
| 2018-08-15 | AE37206 | ND |
| 2019-05-22 | AE67703 | ND |
| 2019-09-04 | AE82073 | ND |