1,1,1,2-Tetrachloroethane
Bennington Water Department
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
8
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1 ppb
The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-12 | 1802-03280-001 | ND |
| 2019-02-15 | 1902-03733-001 | ND |
| 2020-02-24 | 2002-04367-001 | ND |
| 2020-02-24 | 2002-04365-001 | ND |
| 2021-02-16 | 2102-04169-001 | ND |
| 2022-02-28 | 2203-05013-001 | ND |
| 2023-02-06 | 2302-03419-001 | ND |
| 2023-02-06 | 2302-03419-002 | ND |