1,1,1-Trichloroethane
Whitehall Twp Authority
1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.
18
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 | 5 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 200 ppb
The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-13 | 8013120-01 | ND |
| 2018-02-13 | 8013121-01 | ND |
| 2019-02-05 | 9012093-01 | ND |
| 2019-02-05 | 9012092-01 | ND |
| 2020-02-04 | 21553227.00 | ND |
| 2020-02-04 | 21553332.00 | ND |
| 2020-02-04 | 21553311.00 | ND |
| 2020-02-04 | 21553290.00 | ND |
| 2020-02-04 | 21553206.00 | ND |
| 2021-02-04 | 23937747.00 | ND |
| 2021-02-04 | 23937768.00 | ND |
| 2022-02-03 | 26166532.00 | ND |
| 2022-02-03 | 26166553.00 | ND |
| 2023-02-07 | 28398977.00 | ND |
| 2023-02-07 | 28398998.00 | ND |
| 2023-02-07 | 28399019.00 | ND |
| 2023-02-07 | 28399061.00 | ND |
| 2023-02-07 | 28399040.00 | ND |