1,1,1-Trichloroethane
Pennsylvania American Water Company New Castle
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 | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-03-13 | 38838701 | ND |
| 2019-03-05 | 43249601 | ND |
| 2020-03-02 | 21958178.00 | ND |
| 2021-03-03 | 24177541.00 | ND |
| 2022-03-03 | 26399638.00 | ND |
| 2023-01-03 | 28286016.00 | ND |
| 2023-03-15 | 28638081.00 | ND |
| 2023-03-29 | 28638187.00 | ND |
| 2023-04-12 | 28831006.00 | ND |
| 2023-04-24 | 28831142.00 | ND |
| 2023-05-08 | 29031526.00 | ND |