1,1,1-Trichloroethane
Pennsylvania American Water Company - Hershey
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.
11
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 | 1 | 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
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 |
|---|---|---|
| 2018-01-04 | 38148701 | ND |
| 2019-01-17 | 42486001 | ND |
| 2019-07-22 | 45996201 | ND |
| 2020-02-10 | 21794489.00 | ND |
| 2020-03-04 | 21973214.00 | ND |
| 2021-01-05 | 23840017.00 | ND |
| 2021-01-06 | 23840038.00 | ND |
| 2022-01-25 | 26070912.00 | ND |
| 2022-02-10 | 26241222.00 | ND |
| 2023-01-16 | 28300876.00 | ND |
| 2023-01-16 | 28300895.00 | ND |