1,1,1-Trichloroethane
Middletown Water Department
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.
13
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-03-28 | VOC1 200490770 | ND |
| 2018-04-16 | VOC1 200492154 | ND |
| 2019-05-13 | VOC1 200531893 | ND |
| 2019-05-21 | VOC1 200533083 | ND |
| 2020-05-06 | VOC1 200574723 | ND |
| 2020-05-14 | VOC1 200575833 | ND |
| 2021-03-03 | VOC1 200612185 | ND |
| 2021-03-30 | VOC1 200612183 | ND |
| 2021-03-30 | VOC1 200612184 | ND |
| 2022-05-11 | V300182524 300182531 | ND |
| 2022-05-11 | V300182526 300182544 | ND |
| 2023-06-23 | V300370771 300370772 | ND |
| 2023-06-23 | V300370773 300370774 | ND |