1,1,1-Trichloroethane
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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 | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2018-01-23 | AJ76957 | ND |
| 2018-04-09 | AJ87016 | ND |
| 2018-07-18 | AJ94739 | ND |
| 2018-10-24 | AK04777 | ND |
| 2019-01-22 | AK09816 | ND |
| 2019-04-22 | AK15567 | ND |
| 2020-02-19 | AK41841 | ND |
| 2020-02-19 | AK41842 | ND |
| 2021-02-15 | AK69954 | ND |
| 2022-03-03 | AK96368 | ND |
| 2023-05-11 | AL31582 | ND |
| 2023-10-11 | AL46949 | ND |