1,1,1-Trichloroethane
Menomonie Waterworks
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.
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 | 1 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-02-25 | 771970 | ND |
2014-02-25 | 771973 | ND |
2015-05-27 | 861882 | ND |
2016-04-26 | 917937 | ND |
2017-05-03 | 986609 | ND |
2017-05-03 | 986603 | ND |
2018-04-24 | 1051761 | ND |
2019-04-02 | 1112787 | ND |
2019-07-16 | 1134810 | ND |
2019-07-23 | 1136241 | ND |
2019-11-06 | 1159612 | ND |