1,1,1,2-Tetrachloroethane
City of Giddings
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 |
|---|---|---|
| 2018-06-14 | AE30044 | ND |
| 2018-06-14 | AE30046 | ND |
| 2019-06-12 | AE70353 | ND |
| 2019-06-12 | AE70359 | ND |
| 2020-06-15 | AF15218 | ND |
| 2020-06-15 | AF15222 | ND |
| 2021-05-06 | AF52803 | ND |
| 2021-05-06 | AF52807 | ND |
| 2022-10-12 | AG16859 | ND |
| 2022-10-12 | AG16861 | ND |
| 2023-03-01 | AG30961 | ND |
| 2023-03-01 | AG30963 | ND |