1,1,1,2-Tetrachloroethane
Travis County Municipal Utility District 10
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
9
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 | 2 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-08-31 | AE39087 | ND |
| 2019-08-14 | AE78610 | ND |
| 2020-08-13 | AF23492 | ND |
| 2021-07-27 | AF63446 | ND |
| 2022-09-15 | AG13246 | ND |
| 2022-12-05 | AG20688 | ND |
| 2023-03-02 | AG31399 | ND |
| 2023-05-25 | Q2320182001 | ND |
| 2023-09-14 | AG56284 | ND |