1,1,2,2-Tetrachloroethane
Lackland Air Force Base
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.
23
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 | 1 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-04-09 | AC49947 | ND |
| 2015-02-27 | AC82352 | ND |
| 2015-02-27 | AC82364 | ND |
| 2015-02-27 | AC82358 | ND |
| 2015-02-27 | AC82360 | ND |
| 2016-03-08 | AD27603 | ND |
| 2016-03-08 | AD27611 | ND |
| 2016-03-08 | AD27601 | ND |
| 2016-03-08 | AD27605 | ND |
| 2016-12-12 | AD61662 | ND |
| 2017-03-02 | AD73142 | ND |
| 2017-03-02 | AD73180 | ND |
| 2017-03-02 | AD73134 | ND |
| 2017-03-02 | AD73166 | ND |
| 2017-12-08 | AE07431 | ND |
| 2018-04-11 | AE22091 | ND |
| 2018-04-11 | AE22075 | ND |
| 2018-04-11 | AE22071 | ND |
| 2018-04-11 | AE22073 | ND |
| 2019-01-25 | AE51666 | ND |
| 2019-04-11 | AE62078 | ND |
| 2019-04-11 | AE62080 | ND |
| 2019-04-11 | AE62076 | ND |