1,1,1-Trichloroethane
Bernville Borough
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 |
|---|---|---|
| 2018-04-13 | 8043123-01 | ND |
| 2019-04-10 | 9042470-01 | ND |
| 2019-09-18 | 9093450-01 | ND |
| 2020-04-13 | 22070928.00 | ND |
| 2020-04-27 | 22262648.00 | ND |
| 2021-04-12 | 24291829.00 | ND |
| 2021-05-24 | 24486232.00 | ND |
| 2022-04-12 | 26507647.00 | ND |
| 2022-05-09 | 26695365.00 | ND |
| 2023-04-10 | 28750567.00 | ND |
| 2023-06-12 | 29156839.00 | ND |