1,1,2,2-Tetrachloroethane
Montgomery Trace Water System
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.
30
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 | 1 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2014-06-25 | AC58039 | ND |
| 2015-03-31 | AC86777 | ND |
| 2015-03-31 | AC86797 | ND |
| 2015-03-31 | AC86757 | ND |
| 2015-05-29 | AC93869 | ND |
| 2015-05-29 | AC93865 | ND |
| 2016-01-11 | AD17344 | ND |
| 2016-01-11 | AD17336 | ND |
| 2016-01-11 | AD17340 | ND |
| 2016-01-11 | AD17356 | ND |
| 2016-01-11 | AD17354 | ND |
| 2017-01-23 | AD66118 | ND |
| 2017-01-23 | AD66116 | ND |
| 2017-01-23 | AD66100 | ND |
| 2017-01-23 | AD66110 | ND |
| 2017-01-23 | AD66120 | ND |
| 2018-02-20 | AE14431 | ND |
| 2018-02-20 | AE14437 | ND |
| 2018-02-20 | AE14439 | ND |
| 2018-02-20 | AE14441 | ND |
| 2018-02-20 | AE14435 | ND |
| 2018-09-11 | AE39610 | ND |
| 2018-11-05 | AE45253 | ND |
| 2019-01-16 | AE50130 | ND |
| 2019-01-16 | AE50174 | ND |
| 2019-01-16 | AE50172 | ND |
| 2019-01-16 | AE50146 | ND |
| 2019-01-16 | AE50134 | ND |
| 2019-01-16 | AE50138 | ND |
| 2019-04-16 | AE62574 | ND |