1,1,2,2-Tetrachloroethane
St Albans Water Department
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 |
|---|---|---|
| 2018-01-16 | 1801-01210-001 | ND |
| 2018-01-16 | 1801-01210-002 | ND |
| 2019-01-22 | 1901-01623-001 | ND |
| 2019-01-22 | 1901-01623-002 | ND |
| 2020-01-13 | 2001-00985-001 | ND |
| 2020-01-13 | 2001-00985-002 | ND |
| 2021-01-11 | 2101-00903-001 | ND |
| 2021-01-11 | 2101-00903-002 | ND |
| 2022-01-19 | 2201-01530-001 | ND |
| 2022-01-19 | 2201-01530-002 | ND |
| 2023-02-21 | 2302-04849-002 | ND |
| 2023-02-21 | 2302-04849-001 | ND |