1,1,1,2-Tetrachloroethane
Great Basin Water Burbank
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
10
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 9 | 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 |
|---|---|---|
| 2021-11-10 | 4202783 | ND |
| 2023-01-12 | 4443138 | ND |
| 2023-01-12 | 4513916 | ND |
| 2023-01-31 | 4407720 | ND |
| 2023-08-29 | 4507757 | ND |
| 2023-08-29 | 4507756 | ND |
| 2023-12-26 | 4573454 | ND |
| 2023-12-26 | 4573455 | ND |
| 2023-12-26 | 4573496 | ND |
| 2023-12-26 | 4573498 | ND |