1,1,1-Trichloroethane
Lewistown Boro Municipal 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.
10
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 | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 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 |
|---|---|---|
| 2018-08-23 | 8H23184-03 | ND |
| 2019-07-11 | 9G11288-01 | ND |
| 2020-07-14 | 22692319.00 | ND |
| 2020-09-04 | 23079727.00 | ND |
| 2021-08-12 | 25109904.00 | ND |
| 2022-08-11 | 27327373.00 | ND |
| 2022-08-11 | 27327374.00 | ND |
| 2022-08-18 | 27327562.00 | ND |
| 2023-06-13 | 29198036.00 | ND |
| 2023-06-15 | 29198070.00 | ND |