1,1,1-Trichloroethane
Town of Smithfield
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.
8
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 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-04-01 | 8530-040114-EP1V | ND |
| 2015-04-07 | ND | |
| 2016-04-07 | 8530-040716-EP1V | ND |
| 2016-07-20 | 8530-072016-EP1V | ND |
| 2016-10-13 | 8530-101316-EP1V | ND |
| 2017-05-24 | 8530-052417-EP1V | ND |
| 2018-05-17 | 8530-051718-EP1V | ND |
| 2019-05-23 | 8530-052319-EP1V | ND |