1,1,1-Trichloroethane
West View Water Authority
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.
13
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 | ND | 1 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-01-02 | 01180119 | ND |
| 2019-01-14 | 9011049-01 | ND |
| 2020-01-06 | 21585873.00 | ND |
| 2020-02-18 | 21755490.00 | ND |
| 2020-05-12 | 22313371.00 | ND |
| 2020-08-04 | 22898217.00 | ND |
| 2020-11-16 | 23448559.00 | ND |
| 2021-02-02 | 23973089.00 | ND |
| 2021-02-02 | 23973110.00 | ND |
| 2022-01-25 | 26032261.00 | ND |
| 2022-01-26 | 26032240.00 | ND |
| 2023-01-24 | 28261378.00 | ND |
| 2023-01-24 | 28261379.00 | ND |