1,1,1-Trichloroethane
Vivian Water System
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.
10
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 | 2 | 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 |
|---|---|---|
| 2018-01-08 | 35367519001 | ND |
| 2018-01-08 | 35367519001 | ND |
| 2019-02-18 | 35449625001 | ND |
| 2019-02-18 | 35449625001 | ND |
| 2020-02-11 | 35530385001 | ND |
| 2020-08-04 | 35567926001 | ND |
| 2021-01-05 | 35602530001 | ND |
| 2022-02-14 | 35697796001 | ND |
| 2023-01-30 | 35776976005 | ND |
| 2023-12-12 | 35848285001 | ND |