1,1,1-Trichloroethane
Montgomery County Municipal Utility District 8
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 |
|---|---|---|
| 2018-01-10 | AE08615 | ND |
| 2018-01-10 | AE08627 | ND |
| 2019-08-06 | AE77267 | ND |
| 2019-08-06 | AE77285 | ND |
| 2020-10-19 | AF31112 | ND |
| 2020-10-19 | AF31128 | ND |
| 2021-02-08 | AF43032 | ND |
| 2021-02-08 | AF43034 | ND |
| 2022-08-23 | AG10564 | ND |
| 2022-12-13 | AG21661 | ND |
| 2023-07-05 | AG47059 | ND |
| 2023-07-05 | AG47061 | ND |