1,1,1-Trichloroethane
Anoka
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.
7
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 | N/A | 0 | 0 | N/A |
| 2020 | 0.850 ppb | 2 | 1 | ND - 1.70 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 0.0867 ppb | 3 | 1 | ND - 0.260 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 |
|---|---|---|
| 2018-06-19 | 18F1297-01 | ND |
| 2020-08-31 | 20H2387-01 | ND |
| 2020-08-31 | 20H2388-04 | 1.70 ppb |
| 2021-10-26 | 21J1367-01 | ND |
| 2023-08-17 | 23H2065-01 | ND |
| 2023-08-17 | 23H2065-02 | 0.260 ppb |
| 2023-08-17 | 23H2066-02 | ND |