1,1,2,2-Tetrachloroethane
City of Rosenberg
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 5 | 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 |
|---|---|---|
| 2014-01-21 | AC39520 | ND |
| 2015-03-25 | AC86068 | ND |
| 2015-03-25 | AC86064 | ND |
| 2015-03-25 | AC86066 | ND |
| 2015-03-25 | AC86058 | ND |
| 2015-05-05 | AC90568 | ND |
| 2016-01-26 | AD20142 | ND |
| 2016-01-26 | AD20114 | ND |
| 2016-01-26 | AD20110 | ND |
| 2016-01-26 | AD20136 | ND |
| 2017-03-14 | AD74917 | ND |
| 2017-03-14 | AD74885 | ND |
| 2017-03-14 | AD74943 | ND |
| 2017-05-31 | AD86151 | ND |
| 2017-05-31 | AD86153 | ND |
| 2018-03-05 | AE16646 | ND |
| 2018-03-05 | AE16648 | ND |
| 2018-03-05 | AE16654 | ND |
| 2018-03-05 | AE16660 | ND |
| 2018-05-21 | AE27018 | ND |
| 2019-04-02 | AE60873 | ND |
| 2019-04-02 | AE60883 | ND |
| 2019-04-02 | AE60877 | ND |