1,1,1-Trichloroethane
Otter Creek Lake Utilities District
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.
9
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 | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2019-05-14 | 19E0470-01 | ND |
| 2020-04-14 | 2004931-001A | ND |
| 2020-04-14 | 2004931-003A | ND |
| 2020-04-14 | 2004931-005A | ND |
| 2021-05-04 | 2105161-001A | ND |
| 2021-08-03 | 2108259-001A | ND |
| 2021-11-02 | 2111192-001A | ND |
| 2022-03-01 | 2203096-001A | ND |
| 2023-06-08 | 2306802-001A | ND |