1,1,1-Trichloroethane
Mary's City Of David
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.
14
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2020-03-17 | ND | |
| 2020-05-11 | ND | |
| 2020-09-14 | ND | |
| 2020-11-10 | ND | |
| 2021-03-30 | ND | |
| 2021-05-27 | ND | |
| 2021-09-07 | ND | |
| 2021-12-10 | ND | |
| 2022-02-22 | ND | |
| 2022-10-19 | ND | |
| 2023-03-08 | ND | |
| 2023-04-12 | ND | |
| 2023-08-22 | ND | |
| 2023-11-09 | ND |