1,1,1-Trichloroethane
Hibbing
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 | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 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 |
---|---|---|
2014-01-21 | 14A0762-01 | ND |
2014-12-10 | 14L0519-01 | ND |
2014-12-10 | 14L0519-02 | ND |
2016-03-07 | 16C0397-01 | ND |
2016-03-07 | 16C0398-01 | ND |
2016-03-07 | 16C0399-01 | ND |
2017-09-19 | 17I0942-01 | ND |
2017-09-19 | 17I0942-02 | ND |
2018-03-20 | 18C0858-01 | ND |
2018-06-11 | 18F0733-01 | ND |
2019-06-20 | 19F1477-01 | ND |
2019-06-20 | 19F1480-01 | ND |