1,1,1-Trichloroethane
Chippewa Falls 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 | 5 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 5 | 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 |
---|---|---|
2014-03-04 | 772834 | ND |
2014-03-04 | 772837 | ND |
2014-05-20 | 790678 | ND |
2014-08-11 | 809553 | ND |
2014-12-02 | 833622 | ND |
2015-02-10 | 842764 | ND |
2015-02-10 | 842766 | ND |
2015-05-20 | 860888 | ND |
2015-09-15 | 883126 | ND |
2015-11-03 | 892525 | ND |
2016-02-10 | 905009 | ND |
2016-02-10 | 905011 | ND |
2016-06-06 | 924846 | ND |
2016-08-09 | 938104 | ND |
2016-11-09 | 958363 | ND |
2017-01-24 | 971010 | ND |
2017-05-02 | 986303 | ND |
2017-05-02 | 986306 | ND |
2017-07-26 | 1006848 | ND |
2017-11-14 | 1029622 | ND |
2018-04-30 | 1052422 | ND |
2019-03-12 | 1109108 | ND |