1,1,1-Trichloroethane
North Slope Borough - Wainwright
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 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 |
---|---|---|
2014-09-10 | VO*F1409128-02A | ND |
2015-12-16 | VO*3376798 | ND |
2016-03-16 | VO*3416336 | ND |
2016-06-28 | VO*3483849 | ND |
2016-08-07 | VO*3518391 | ND |
2017-03-07 | VO*3651839 | ND |
2017-06-20 | VO*3720082 | ND |
2017-09-12 | VO*3779671 | ND |
2017-12-05 | VO*3834676 | ND |
2018-03-29 | VO*3904539 | ND |
2019-03-25 | 4241763 | ND |