1,1,1,2-Tetrachloroethane
Stillwater
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
16
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 | 7 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 7 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-10-29 | 18J1468-01 | ND |
| 2018-10-29 | 18J1468-02 | ND |
| 2018-10-29 | 18J1468-03 | ND |
| 2018-10-29 | 18J1469-01 | ND |
| 2018-10-29 | 18J1469-02 | ND |
| 2018-10-29 | 18J1469-03 | ND |
| 2018-10-29 | 18J1469-04 | ND |
| 2020-07-29 | 20G2148-03 | ND |
| 2021-02-24 | 21B1311-01 | ND |
| 2021-02-24 | 21B1311-02 | ND |
| 2021-02-24 | 21B1311-04 | ND |
| 2021-02-24 | 21B1311-05 | ND |
| 2021-02-24 | 21B1311-06 | ND |
| 2021-02-24 | 21B1311-07 | ND |
| 2021-06-08 | 21F0413-01 | ND |
| 2023-04-27 | 23D1698-04 | ND |