1,1,1,2-Tetrachloroethane
Priddy Water Supply Corporation
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 |
|---|---|---|
| 2018-01-18 | AE09283 | ND |
| 2018-01-18 | AE09293 | ND |
| 2019-05-29 | AE68429 | ND |
| 2019-05-29 | AE68451 | ND |
| 2020-08-18 | AF23950 | ND |
| 2020-08-18 | AF23952 | ND |
| 2021-07-01 | AF60376 | ND |
| 2021-07-01 | AF60378 | ND |
| 2022-05-18 | AF97547 | ND |
| 2022-05-18 | AF97557 | ND |
| 2023-08-23 | AG53739 | ND |
| 2023-10-25 | AG61045 | ND |