1,1,1,2-Tetrachloroethane
Yak Co. - Crewport
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
17
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 | ND | 4 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-02-20 | ND | |
| 2018-04-09 | ND | |
| 2018-05-08 | ND | |
| 2018-08-14 | ND | |
| 2018-08-14 | ND | |
| 2018-11-13 | ND | |
| 2018-11-13 | ND | |
| 2019-03-18 | ND | |
| 2019-03-18 | ND | |
| 2019-05-20 | ND | |
| 2019-06-13 | ND | |
| 2021-05-10 | 4114924 | ND |
| 2021-05-10 | 4114925 | ND |
| 2022-05-09 | 4285652 | ND |
| 2022-05-09 | 4285645 | ND |
| 2023-05-15 | 4455759 | ND |
| 2023-05-15 | 4455758 | ND |