1,1,2,2-Tetrachloroethane
Aquarion Water Company of Ct-ridgefield 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.
20
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 | 3 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-03-06 | 201403209-VOC1 | ND |
| 2014-03-11 | 201403468-VOC1 | ND |
| 2014-06-18 | 201408467-VOC1 | ND |
| 2015-04-22 | 201505091-VOC1 | ND |
| 2015-04-22 | 201505104-VOC1 | ND |
| 2015-07-08 | 201508897-VOC1 | ND |
| 2015-07-08 | 201508903-VOC1 | ND |
| 2015-07-08 | 201508905-VOC1 | ND |
| 2016-06-07 | 201607150-VOC1 | ND |
| 2016-06-07 | 201607155-VOC1 | ND |
| 2016-06-28 | 201608164-VOC1 | ND |
| 2017-07-03 | 201709883-VOC1 | ND |
| 2017-07-03 | 201709879-VOC1 | ND |
| 2017-07-27 | 201711573-VOC1 | ND |
| 2018-07-03 | 201809506-VOC1 | ND |
| 2018-07-03 | 201809502-VOC1 | ND |
| 2018-10-16 | 201816059-VOC1 | ND |
| 2019-07-02 | 201909838-VOC1 | ND |
| 2019-07-02 | 201909844-VOC1 | ND |
| 2019-07-02 | 201909841-VOC1 | ND |