1,1,1-Trichloroethane
Paw Blue Mountain Division
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.
21
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 | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 5 | 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 | 38160101 | ND |
| 2019-01-09 | 42498201 | ND |
| 2019-07-16 | 45238801 | ND |
| 2020-04-22 | 22086243.00 | ND |
| 2020-04-29 | 22086552.00 | ND |
| 2020-04-29 | 22086573.00 | ND |
| 2020-05-11 | 22278296.00 | ND |
| 2020-05-11 | 22278317.00 | ND |
| 2021-04-12 | 24308442.00 | ND |
| 2021-04-12 | 24308463.00 | ND |
| 2021-07-21 | 24889778.00 | ND |
| 2021-07-21 | 24889799.00 | ND |
| 2022-04-18 | 26522949.00 | ND |
| 2022-04-18 | 26522970.00 | ND |
| 2022-08-03 | 27300374.00 | ND |
| 2022-08-04 | 27300355.00 | ND |
| 2023-04-10 | 28766766.00 | ND |
| 2023-04-10 | 28766747.00 | ND |
| 2023-04-11 | 28766715.00 | ND |
| 2023-04-11 | 28766687.00 | ND |
| 2023-06-07 | 29172429.00 | ND |