1,1,1,2-Tetrachloroethane
Travis County Municipal Utility District 4
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 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 |
|---|---|---|
| 2018-02-15 | AE14083 | ND |
| 2018-08-13 | AE36646 | ND |
| 2019-02-14 | AE54602 | ND |
| 2019-08-20 | AE79613 | ND |
| 2020-03-03 | AF00898 | ND |
| 2020-07-23 | AF20338 | ND |
| 2021-01-25 | AF40768 | ND |
| 2021-07-07 | AF60990 | ND |
| 2022-02-10 | AF84277 | ND |
| 2022-08-17 | AG09728 | ND |
| 2023-02-14 | AG28837 | ND |
| 2023-07-18 | AG49052 | ND |