1,1,1,2-Tetrachloroethane
Jordanelle Special Service District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
36
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 | 6 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|
| 2018-01-10 | ND |
| 2018-04-09 | ND |
| 2018-07-03 | ND |
| 2018-07-18 | ND |
| 2018-10-16 | ND |
| 2019-01-08 | ND |
| 2019-04-23 | ND |
| 2019-06-27 | ND |
| 2019-06-27 | ND |
| 2019-07-29 | ND |
| 2019-10-16 | ND |
| 2020-01-13 | ND |
| 2020-04-15 | ND |
| 2020-07-29 | ND |
| 2020-08-03 | ND |
| 2020-10-20 | ND |
| 2021-01-11 | ND |
| 2021-01-19 | ND |
| 2021-04-12 | ND |
| 2021-06-29 | ND |
| 2021-07-13 | ND |
| 2021-10-19 | ND |
| 2022-01-11 | ND |
| 2022-04-06 | ND |
| 2022-07-14 | ND |
| 2022-07-14 | ND |
| 2022-07-19 | ND |
| 2022-10-05 | ND |
| 2023-01-18 | ND |
| 2023-04-06 | ND |
| 2023-05-24 | ND |
| 2023-05-24 | ND |
| 2023-06-05 | ND |
| 2023-07-17 | ND |
| 2023-08-10 | ND |
| 2023-10-24 | ND |