1,1,1-Trichloroethane
Rayburn Country Municipal Utility 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.
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 |
|---|---|---|
| 2018-06-12 | AE29516 | ND |
| 2018-06-12 | AE29518 | ND |
| 2019-02-19 | AE54862 | ND |
| 2019-02-19 | AE54890 | ND |
| 2020-07-23 | AF20476 | ND |
| 2020-07-23 | AF20478 | ND |
| 2021-01-13 | AF39180 | ND |
| 2021-01-13 | AF39182 | ND |
| 2022-03-29 | AF90979 | ND |
| 2022-03-29 | AF90983 | ND |
| 2023-02-16 | AG29341 | ND |
| 2023-02-16 | AG29343 | ND |