1,1,1,2-Tetrachloroethane
Aquarion Water Company of Connecticut - Mystic
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 | 1 | 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 |
|---|---|---|
| 2018-05-07 | 201806155-VOC1 | ND |
| 2019-05-07 | 201906220-VOC1 | ND |
| 2019-10-28 | 201917770-VOC1 | ND |
| 2020-05-04 | 202006226-VOC1 | ND |
| 2020-10-19 | 202017023-VOC1 | ND |
| 2021-05-03 | 202106129-VOC1 | ND |
| 2021-05-03 | 202106135-VOC1 | ND |
| 2022-05-02 | 202206699-VOC1 | ND |
| 2022-08-29 | 202215061-VOC1 | ND |
| 2023-05-01 | 202306890-VOC1 | ND |
| 2023-06-20 | 202310453-VOC1 | ND |