1,1,2,2-Tetrachloroethane
Tri County Point Water System 3
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.
12
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 |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-03-13 | AE18157 | ND |
| 2018-03-13 | AE18159 | ND |
| 2019-04-15 | AE62285 | ND |
| 2019-04-15 | AE62289 | ND |
| 2020-03-24 | AF04311 | ND |
| 2020-03-24 | AF04339 | ND |
| 2021-07-08 | AF61162 | ND |
| 2021-09-21 | AF70619 | ND |
| 2022-10-05 | AG16099 | ND |
| 2022-10-05 | AG16101 | ND |
| 2023-02-27 | AG30611 | ND |
| 2023-02-27 | AG30617 | ND |