1,1,1-Trichloroethane
Talley Water Supply Corporation
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.
12
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 | 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 |
|---|---|---|
| 2018-07-25 | Q1829519008 | ND |
| 2018-07-25 | Q1829519011 | ND |
| 2019-05-06 | Q1920205001 | ND |
| 2019-05-06 | Q1920205003 | ND |
| 2020-03-16 | Q2010542001 | ND |
| 2020-03-16 | Q2010542003 | ND |
| 2021-12-07 | Q2134174008 | ND |
| 2021-12-07 | Q2134174010 | ND |
| 2022-10-31 | Q2232959007 | ND |
| 2022-10-31 | Q2232959009 | ND |
| 2023-09-21 | Q2340992001 | ND |
| 2023-09-21 | Q2340992003 | ND |