1,1,1-Trichloroethane
Lehigh County Authority Allentown Division
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.
21
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 | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2018-03-13 | 8023741-01 | ND |
| 2018-03-13 | 8023741-02 | ND |
| 2019-03-19 | 9024667-02 | ND |
| 2019-03-19 | 9024667-01 | ND |
| 2020-03-04 | 21896272.00 | ND |
| 2020-03-11 | 21896285.00 | ND |
| 2020-03-18 | 21896328.00 | ND |
| 2020-03-18 | 21896317.00 | ND |
| 2021-01-06 | 23762423.00 | ND |
| 2021-01-13 | 23762446.00 | ND |
| 2021-01-20 | 23762469.00 | ND |
| 2021-01-20 | 23762492.00 | ND |
| 2022-01-10 | 25992213.00 | ND |
| 2022-01-19 | 25992234.00 | ND |
| 2022-01-25 | 25992257.00 | ND |
| 2022-01-25 | 25992278.00 | ND |
| 2023-01-04 | 28221627.00 | ND |
| 2023-01-09 | 28221650.00 | ND |
| 2023-01-18 | 28221673.00 | ND |
| 2023-01-18 | 28221696.00 | ND |
| 2023-02-22 | 28396016.00 | ND |