1,1,2,2-Tetrachloroethane
Clear Brook City MUD
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.
16
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-01-31 | AC41030 | ND |
| 2014-05-21 | AC54880 | ND |
| 2015-02-18 | AC80996 | ND |
| 2015-02-18 | AC80994 | ND |
| 2015-02-18 | AC80976 | ND |
| 2016-01-22 | AD19723 | ND |
| 2016-04-06 | AD32097 | ND |
| 2016-04-06 | AD32109 | ND |
| 2017-01-06 | AD63591 | ND |
| 2017-04-10 | AD78980 | ND |
| 2017-04-10 | AD78972 | ND |
| 2018-02-23 | AE15485 | ND |
| 2018-05-24 | AE27720 | ND |
| 2019-01-29 | AE51971 | ND |
| 2019-01-29 | AE51975 | ND |
| 2019-11-19 | AE89787 | ND |