1,1,1-Trichloroethane
Slippery Rock 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.
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 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-03-15 | 8031469-01 | ND |
| 2018-12-12 | 18L1061-01 | ND |
| 2019-04-18 | 19D2058-01 | ND |
| 2019-12-26 | 19L2329-01 | ND |
| 2020-04-09 | 22126518.00 | ND |
| 2020-04-09 | 22126539.00 | ND |
| 2021-10-21 | 25505065.00 | ND |
| 2022-08-18 | 27347050.00 | ND |
| 2023-04-13 | 28810159.00 | ND |
| 2023-04-13 | 28810180.00 | ND |
| 2023-12-21 | 30340083.00 | ND |
| 2023-12-21 | 30340104.00 | ND |