1,1,1-Trichloroethane
East Middlebury Fd 1
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.
7
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 0.650 ppb | 2 | 1 | ND - 1.30 ppb |
| 2017 | ND | 1 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-01-12 | 14V00099 | ND |
| 2016-02-16 | 16V00098 | 1.30 ppb |
| 2016-03-17 | 16V00107 | ND |
| 2017-02-21 | 17V00092 | ND |
| 2019-03-25 | 19-OA-00011-001 | ND |
| 2019-09-17 | 20V00043 | ND |
| 2019-10-17 | 1910-27257-001 | ND |