1,1,1,2-Tetrachloroethane
City of Grandview
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
15
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 9 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-03-19 | ND | |
| 2019-04-23 | ND | |
| 2021-04-13 | 4102292 | ND |
| 2021-04-13 | 4102010 | ND |
| 2021-04-13 | 4102032 | ND |
| 2021-04-13 | 4102289 | ND |
| 2021-04-13 | 4102291 | ND |
| 2021-04-13 | 4102290 | ND |
| 2021-04-13 | 4102293 | ND |
| 2021-09-21 | 4183352 | ND |
| 2021-12-13 | 4217915 | ND |
| 2022-03-21 | 4263833 | ND |
| 2022-06-07 | 4298851 | ND |
| 2022-09-20 | 4347786 | ND |
| 2022-10-24 | 4364692 | ND |