1,1,1-Trichloroethane
Machias Town Water District
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.
10
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-06-03 | POC - 1400016041 | ND |
| 2014-06-03 | POC - 1400016042 | ND |
| 2015-08-12 | 2015 POC - WELL | ND |
| 2016-08-09 | 2016 POC-1613000 | ND |
| 2017-09-06 | EHS1700045380-SR | ND |
| 2017-10-31 | EHS1700054174-SR | ND |
| 2018-08-08 | 1813447-002 | ND |
| 2018-08-08 | 1813447-003 | ND |
| 2019-08-11 | 1913448-003 | ND |
| 2019-08-11 | 1913448-002 | ND |