1,1,1,2-Tetrachloroethane
Maple Grove West Mobile Home Park
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
8
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 | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 6 | 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 |
|---|---|---|
| 2019-05-29 | EHS1900028552-01POCS | ND |
| 2020-12-03 | 12032008CPOCS | ND |
| 2022-05-04 | 05052208C | ND |
| 2022-05-04 | 05052207C | ND |
| 2022-05-04 | 05052206C | ND |
| 2022-05-18 | EHS2200023814-01POCS | ND |
| 2022-05-18 | EHS2200023813-01POCS | ND |
| 2022-05-18 | EHS2200023811-01POCS | ND |