1,1,1,2-Tetrachloroethane
Windsong Subdivision
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2018-03-22 | AE19647 | ND |
| 2019-11-18 | AE89579 | ND |
| 2020-12-17 | AF38046 | ND |
| 2021-10-26 | AF74720 | ND |
| 2022-07-07 | AG03676 | ND |
| 2022-07-07 | AG03678 | ND |
| 2022-12-21 | Q2300008001 | ND |
| 2023-02-23 | AG30286 | ND |
| 2023-02-23 | AG30288 | ND |
| 2023-04-26 | AG38217 | ND |
| 2023-07-24 | AG49828 | ND |
| 2023-12-22 | AG67348 | ND |