1,1,1-Trichloroethane
Pepperell DPW Water 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.
39
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 | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 7 | 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 | Result |
|---|---|
| 2018-04-02 | ND |
| 2018-04-02 | ND |
| 2018-04-02 | ND |
| 2018-04-02 | ND |
| 2018-04-02 | ND |
| 2018-04-02 | ND |
| 2019-05-06 | ND |
| 2019-05-06 | ND |
| 2019-05-06 | ND |
| 2019-05-06 | ND |
| 2019-05-06 | ND |
| 2019-05-06 | ND |
| 2020-06-02 | ND |
| 2020-06-02 | ND |
| 2020-06-02 | ND |
| 2020-06-02 | ND |
| 2020-06-02 | ND |
| 2020-06-02 | ND |
| 2021-05-12 | ND |
| 2021-05-12 | ND |
| 2021-05-12 | ND |
| 2021-05-12 | ND |
| 2021-05-12 | ND |
| 2021-08-17 | ND |
| 2021-08-17 | ND |
| 2021-08-17 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-05-03 | ND |