1,1,2,2-Tetrachloroethane
K Estates Water System
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 |
|---|---|---|
| 2018-10-04 | AE42709 | ND |
| 2018-10-04 | AE42713 | ND |
| 2019-10-17 | AE86933 | ND |
| 2019-10-17 | AE86935 | ND |
| 2020-10-15 | AF30900 | ND |
| 2020-10-15 | AF30902 | ND |
| 2021-09-16 | AF70176 | ND |
| 2021-09-16 | AF70178 | ND |
| 2022-08-23 | AG10524 | ND |
| 2022-08-23 | AG10542 | ND |
| 2023-09-06 | AG55137 | ND |
| 2023-09-06 | AG55139 | ND |