1,1,1-Trichloroethane
Dayton Water Utility
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.
0
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 | 0.300 ppb | 2 | 1 | ND - 0.600 ppb |
| 2019 | ND | 2 | 0 | ND |
| 2020 | 0.365 ppb | 2 | 1 | ND - 0.730 ppb |
| 2021 | 0.325 ppb | 2 | 1 | ND - 0.650 ppb |
| 2022 | ND | 2 | 0 | ND |
| 2023 | 0.385 ppb | 2 | 1 | ND - 0.770 ppb |
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 |
|---|