1,1,1-Trichloroethane
Minnetonka
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.
18
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 6 | 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 |
|---|---|---|
| 2018-07-23 | 18G1394-03 | ND |
| 2018-07-23 | 18G1394-02 | ND |
| 2020-07-30 | 20G2379-01 | ND |
| 2020-07-30 | 20G2379-02 | ND |
| 2020-07-30 | 20G2379-03 | ND |
| 2020-07-30 | 20G2382-04 | ND |
| 2020-11-16 | 20K0636-01 | ND |
| 2021-03-15 | 21C0676-01 | ND |
| 2021-05-28 | 21E2075-01 | ND |
| 2021-08-04 | 21H0235-01 | ND |
| 2021-08-04 | 21H0239-01 | ND |
| 2021-08-04 | 21H0235-03 | ND |
| 2021-08-04 | 21H0235-02 | ND |
| 2022-01-27 | 22A1019-01 | ND |
| 2023-11-01 | 23K0087-02 | ND |
| 2023-11-01 | 23K0087-04 | ND |
| 2023-11-01 | 23K0087-05 | ND |
| 2023-11-01 | 23K0089-01 | ND |