1,1,2,2-Tetrachloroethane
First U D of Hawkins Company
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.
27
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 | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 7 | 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 | Result |
|---|---|
| 2018-01-17 | ND |
| 2018-02-14 | ND |
| 2018-05-16 | ND |
| 2018-07-11 | ND |
| 2018-12-17 | ND |
| 2019-02-19 | ND |
| 2019-03-13 | ND |
| 2019-04-22 | ND |
| 2019-07-17 | ND |
| 2019-11-18 | ND |
| 2020-01-20 | ND |
| 2020-01-20 | ND |
| 2020-11-18 | ND |
| 2021-03-17 | ND |
| 2021-03-17 | ND |
| 2022-03-14 | ND |
| 2022-03-14 | ND |
| 2022-05-17 | ND |
| 2022-07-13 | ND |
| 2022-11-15 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | ND |
| 2023-06-20 | ND |
| 2023-07-12 | ND |
| 2023-08-16 | ND |
| 2023-10-17 | ND |