1,1,1,2-Tetrachloroethane
Domestic Water Company Royal Forest Subdivision
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 | 3 | 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: 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 |
|---|---|---|
| 2018-05-09 | AE25753 | ND |
| 2018-05-09 | AE25755 | ND |
| 2019-03-04 | AE56877 | ND |
| 2019-03-04 | AE56881 | ND |
| 2020-02-20 | AE99297 | ND |
| 2020-02-20 | AE99313 | ND |
| 2020-05-26 | AF12600 | ND |
| 2021-06-11 | AF57836 | ND |
| 2021-12-22 | AF79282 | ND |
| 2022-04-12 | AF92919 | ND |
| 2022-04-12 | AF92923 | ND |
| 2023-08-16 | AG52846 | ND |
| 2023-08-16 | AG52856 | ND |