1,1,2,2-Tetrachloroethane
Elk River
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.
25
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 | 10 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-01-23 | 18A0771-01 | ND |
| 2018-03-13 | 18C0478-01 | ND |
| 2018-03-13 | 18C0479-01 | ND |
| 2018-03-13 | 18C0479-02 | ND |
| 2018-03-13 | 18C0479-03 | ND |
| 2018-05-08 | 18E0607-01 | ND |
| 2018-07-31 | 18G2014-01 | ND |
| 2018-07-31 | 18G2014-02 | ND |
| 2018-12-06 | 18L0232-01 | ND |
| 2018-12-06 | 18L0232-02 | ND |
| 2019-01-23 | 19A0796-01 | ND |
| 2019-01-23 | 19A0796-02 | ND |
| 2019-10-30 | 19J1749-01 | ND |
| 2020-10-27 | 20J1500-01 | ND |
| 2020-10-27 | 20J1500-02 | ND |
| 2020-10-27 | 20J1500-03 | ND |
| 2020-10-27 | 20J1504-02 | ND |
| 2020-10-27 | 20J1504-03 | ND |
| 2020-10-27 | 20J1523-01 | ND |
| 2021-06-14 | 21F0874-01 | ND |
| 2021-06-14 | 21F0875-01 | ND |
| 2021-06-14 | 21F0875-02 | ND |
| 2023-10-16 | 23J0803-01 | ND |
| 2023-11-28 | 23K1276-01 | ND |
| 2023-11-28 | 23K1276-02 | ND |