1,1,1,2-Tetrachloroethane
Parkland Light & Water Company
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 3 | 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 |
|---|---|---|
| 2019-08-12 | ND | |
| 2019-08-12 | ND | |
| 2019-11-06 | ND | |
| 2021-08-18 | 4174135 | ND |
| 2021-08-18 | 4174138 | ND |
| 2021-08-18 | 4174137 | ND |
| 2021-08-18 | 4174134 | ND |
| 2021-11-18 | 4251575 | ND |
| 2021-12-07 | 4216627 | ND |
| 2022-08-23 | 4366531 | ND |
| 2022-08-23 | 4366537 | ND |
| 2022-08-23 | 4366534 | ND |