1,1,1,2-Tetrachloroethane
K Estates Water System
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 | 2 | 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 |
|---|---|---|
| 2018-10-04 | AE42709 | ND |
| 2018-10-04 | AE42713 | ND |
| 2019-10-17 | AE86933 | ND |
| 2019-10-17 | AE86935 | ND |
| 2020-10-15 | AF30900 | ND |
| 2020-10-15 | AF30902 | ND |
| 2021-09-16 | AF70176 | ND |
| 2021-09-16 | AF70178 | ND |
| 2022-08-23 | AG10524 | ND |
| 2022-08-23 | AG10542 | ND |
| 2023-09-06 | AG55137 | ND |
| 2023-09-06 | AG55139 | ND |