1,1,2,2-Tetrachloroethane
Calico Rock
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.
34
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 | 4 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-05-27 | 14149007301 | ND |
| 2014-08-25 | 14239002601 | ND |
| 2014-08-25 | 14239002701 | ND |
| 2014-08-25 | 14239002901 | ND |
| 2015-04-14 | 15106002801 | ND |
| 2015-07-14 | 15196001201 | ND |
| 2015-07-14 | 15196001101 | ND |
| 2015-07-14 | 15196001001 | ND |
| 2015-10-14 | 15289005801 | ND |
| 2016-01-13 | 16015011301 | ND |
| 2016-04-12 | 16105010101 | ND |
| 2016-04-12 | 16105010002 | ND |
| 2016-07-12 | 16196017901 | ND |
| 2016-07-12 | 16196017601 | ND |
| 2016-07-12 | 16196017501 | ND |
| 2016-10-11 | 16287009801 | ND |
| 2017-01-10 | 17012010001 | ND |
| 2017-04-11 | 17103002401 | ND |
| 2017-04-11 | 17103002501 | ND |
| 2017-07-11 | 17194010001 | ND |
| 2017-07-11 | 17194009701 | ND |
| 2017-07-11 | 17194009801 | ND |
| 2017-10-10 | 17285011701 | ND |
| 2018-04-11 | 18102006001 | ND |
| 2018-04-11 | 18102006101 | ND |
| 2018-07-10 | 18193011601 | ND |
| 2018-07-10 | 18193011201 | ND |
| 2018-07-10 | 18193011501 | ND |
| 2018-10-09 | 18284008101 | ND |
| 2019-01-15 | 19016002501 | ND |
| 2019-08-26 | 19240000301 | ND |
| 2019-08-26 | 19240000601 | ND |
| 2019-08-26 | 19240000401 | ND |
| 2019-10-08 | 19282002201 | ND |