1,1,1,2-Tetrachloroethane
White River Municipal Water District
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 |
|---|---|---|
| 2018-04-24 | Q1816513004 | ND |
| 2018-07-17 | Q1828234002 | ND |
| 2019-05-01 | Q1917590004 | ND |
| 2019-08-06 | Q1951422001 | ND |
| 2020-09-15 | Q2036516006 | ND |
| 2020-09-15 | Q2036516008 | ND |
| 2021-08-11 | Q2121422005 | ND |
| 2021-08-11 | Q2121422007 | ND |
| 2022-06-02 | Q2215628001 | ND |
| 2022-09-06 | Q2226331001 | ND |
| 2023-08-17 | Q2334682003 | ND |
| 2023-08-17 | Q2334682005 | ND |