1,1,1,2-Tetrachloroethane
Fridley
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 | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-11-28 | 18K1046-02 | ND |
| 2020-01-27 | 20A1007-01 | ND |
| 2020-06-16 | 20F1254-01 | ND |
| 2020-09-01 | 20I0064-01 | ND |
| 2021-11-23 | 21K1264-01 | ND |
| 2021-11-23 | 21K1267-03 | ND |
| 2022-01-31 | 22A1136-01 | ND |
| 2022-03-03 | 22C0143-01 | ND |
| 2022-04-15 | 22D0801-01 | ND |
| 2023-06-01 | 23F0145-01 | ND |
| 2023-06-01 | 23F0145-02 | ND |
| 2023-08-17 | 23H2067-01 | ND |