1,1,2,2-Tetrachloroethane
City of Bandera
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.
18
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 | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-05-01 | AC52597 | ND |
| 2014-05-01 | AC52591 | ND |
| 2015-01-14 | AC76215 | ND |
| 2015-01-14 | AC76205 | ND |
| 2015-01-14 | AC76231 | ND |
| 2015-05-26 | AC93276 | ND |
| 2016-01-21 | AD19277 | ND |
| 2016-02-08 | AD22471 | ND |
| 2017-06-28 | AD88048 | ND |
| 2017-06-28 | AD88044 | ND |
| 2018-02-15 | AE14143 | ND |
| 2018-02-15 | AE14111 | ND |
| 2018-05-30 | AE28057 | ND |
| 2018-09-18 | AE40785 | ND |
| 2018-10-31 | AE45056 | ND |
| 2019-01-10 | AE49333 | ND |
| 2019-01-10 | AE49323 | ND |
| 2019-01-10 | AE49329 | ND |