1,1,1-Trichloroethane
Mt. Joy Boro 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.
12
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2019-08-20 | 9083654-01 | ND |
| 2019-11-07 | 9110611-01 | ND |
| 2020-02-20 | 21802866.00 | ND |
| 2020-02-20 | 21981378.00 | ND |
| 2020-02-28 | 21981402.00 | ND |
| 2020-03-03 | 21981325.00 | ND |
| 2020-04-09 | 22171141.00 | ND |
| 2021-01-19 | 23849106.00 | ND |
| 2022-06-07 | 26995878.00 | ND |
| 2023-05-15 | 29059244.00 | ND |
| 2023-05-16 | 29059245.00 | ND |
| 2023-06-04 | 29260274.00 | ND |