1,1,1-Trichloroethane
Paw Glen Alsace Div
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.
43
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 | 0.200 ppb | 3 | 1 | ND - 0.600 ppb |
| 2019 | 0.1000 ppb | 7 | 1 | ND - 0.700 ppb |
| 2020 | 0.0500 ppb | 12 | 1 | ND - 0.600 ppb |
| 2021 | ND | 3 | 0 | ND |
| 2022 | 0.233 ppb | 3 | 1 | ND - 0.700 ppb |
| 2023 | 0.0800 ppb | 15 | 2 | ND - 0.600 ppb |
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 |
|---|---|---|
| 2018-02-13 | 38538801 | ND |
| 2018-02-13 | 38539501 | ND |
| 2018-02-13 | 38539201 | 0.600 ppb |
| 2019-02-06 | 42853101 | ND |
| 2019-02-06 | 42853301 | ND |
| 2019-02-06 | 42853201 | 0.700 ppb |
| 2019-07-22 | 45717501 | ND |
| 2019-07-22 | 45717601 | ND |
| 2019-07-22 | 45717401 | ND |
| 2019-07-29 | 46133302 | ND |
| 2020-02-10 | 21708726.00 | ND |
| 2020-02-10 | 21708705.00 | ND |
| 2020-02-10 | 21708684.00 | ND |
| 2020-02-10 | 21708771.00 | 0.600 ppb |
| 2020-02-10 | 21708792.00 | ND |
| 2020-02-11 | 21708750.00 | ND |
| 2020-02-11 | 21708621.00 | ND |
| 2020-02-11 | 21708642.00 | ND |
| 2020-02-11 | 21708663.00 | ND |
| 2020-02-17 | 21708837.00 | ND |
| 2020-02-17 | 21708816.00 | ND |
| 2020-02-17 | 21708858.00 | ND |
| 2021-02-10 | 23928443.00 | ND |
| 2021-02-10 | 23928422.00 | ND |
| 2021-02-10 | 23928464.00 | ND |
| 2022-02-10 | 26157291.00 | 0.700 ppb |
| 2022-02-10 | 26157296.00 | ND |
| 2022-02-10 | 26157272.00 | ND |
| 2023-02-09 | 28389631.00 | ND |
| 2023-02-09 | 28389563.00 | ND |
| 2023-02-09 | 28389625.00 | ND |
| 2023-02-09 | 28389542.00 | ND |
| 2023-02-09 | 28389584.00 | ND |
| 2023-02-09 | 28389479.00 | ND |
| 2023-02-09 | 28389458.00 | 0.600 ppb |
| 2023-02-09 | 28389416.00 | ND |
| 2023-02-09 | 28389521.00 | ND |
| 2023-02-09 | 28389657.00 | ND |
| 2023-02-09 | 28389500.00 | ND |
| 2023-02-09 | 28389437.00 | ND |
| 2023-04-10 | 28750971.00 | 0.600 ppb |
| 2023-07-11 | 29348338.00 | ND |
| 2023-10-09 | 29929545.00 | ND |