1,1,1,2-Tetrachloroethane
Blaketree MUD 1
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
11
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 | 3 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-01-10 | AE08623 | ND |
| 2018-04-12 | AE22314 | ND |
| 2018-08-07 | AE35980 | ND |
| 2019-08-28 | AE81394 | ND |
| 2020-12-15 | AF37669 | ND |
| 2021-02-08 | AF43028 | ND |
| 2021-04-20 | AF50740 | ND |
| 2021-07-14 | AF61939 | ND |
| 2021-11-01 | AF75261 | ND |
| 2022-08-02 | AG07339 | ND |
| 2023-08-03 | AG51334 | ND |