1,1,1,2-Tetrachloroethane
Hubbard Hill Apartments
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 | 5 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 1 | 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 |
|---|---|---|
| 2018-10-25 | CB82896VOC1 | ND |
| 2018-10-25 | CB82896 | ND |
| 2019-01-09 | CC26666 | ND |
| 2019-03-12 | CC66559 | ND |
| 2019-05-30 | CD24263 | ND |
| 2019-07-23 | CD63646 | ND |
| 2019-12-12 | CE87153 | ND |
| 2020-01-09 | CF10126 | ND |
| 2020-05-11 | CF93021 | ND |
| 2020-08-25 | CG61944 | ND |
| 2021-01-13 | CH46248 | ND |
| 2022-04-19 | CL12397 | ND |
| 2023-05-02 | CN96368 | ND |