1,1,1-Trichloroethane
Newtown Artesian Water Company
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.
15
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 | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 2 | 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 |
|---|---|---|
| 2018-07-26 | L7056979-1 | ND |
| 2018-07-26 | L7056979-2 | ND |
| 2018-07-26 | L7056979-3 | ND |
| 2019-06-17 | 9008627-01 | ND |
| 2019-06-17 | 9008628-01 | ND |
| 2020-05-01 | 22195056.00 | ND |
| 2020-05-01 | 22195077.00 | ND |
| 2020-05-01 | 22195098.00 | ND |
| 2020-05-08 | 22195119.00 | ND |
| 2020-05-08 | 22195140.00 | ND |
| 2021-04-05 | 24041239.00 | ND |
| 2021-04-06 | 24041260.00 | ND |
| 2022-04-05 | 26444751.00 | ND |
| 2023-04-03 | 28502944.00 | ND |
| 2023-04-04 | 28681648.00 | ND |