1,1,2,2-Tetrachloroethane
City of Hewitt
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 3 | 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 |
|---|---|---|
| 2014-01-14 | AC38665 | ND |
| 2015-03-23 | AC85655 | ND |
| 2015-03-23 | AC85645 | ND |
| 2015-03-23 | AC85649 | ND |
| 2016-01-20 | AD19002 | ND |
| 2016-01-20 | AD19012 | ND |
| 2016-04-06 | AD32129 | ND |
| 2017-04-03 | AD78087 | ND |
| 2017-10-09 | AD99814 | ND |
| 2017-10-31 | AE03236 | ND |
| 2018-02-07 | AE12765 | ND |
| 2018-04-19 | AE23265 | ND |
| 2018-04-19 | AE23263 | ND |
| 2019-02-12 | AE54094 | ND |
| 2019-02-12 | AE54098 | ND |
| 2019-02-12 | AE54084 | ND |