1,1,1,2-Tetrachloroethane
Ferron - Castle Valley Special Service District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
30
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 | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 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 | Result |
|---|---|
| 2018-02-20 | ND |
| 2018-05-22 | ND |
| 2018-08-22 | ND |
| 2018-11-14 | ND |
| 2018-12-12 | ND |
| 2019-02-20 | ND |
| 2019-05-21 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-11-19 | ND |
| 2020-02-19 | ND |
| 2020-05-19 | ND |
| 2020-08-18 | ND |
| 2020-08-18 | ND |
| 2020-11-17 | ND |
| 2021-02-17 | ND |
| 2021-05-26 | ND |
| 2021-09-07 | ND |
| 2021-09-15 | ND |
| 2021-12-09 | ND |
| 2022-02-22 | ND |
| 2022-06-21 | ND |
| 2022-08-24 | ND |
| 2022-08-24 | ND |
| 2022-11-29 | ND |
| 2023-02-22 | ND |
| 2023-06-21 | ND |
| 2023-09-06 | ND |
| 2023-09-06 | ND |
| 2023-11-14 | ND |