1,1,1-Trichloroethane
Columbia County
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 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 |
---|---|---|
2014-02-17 | AI27996 | ND |
2014-02-17 | AI27997 | ND |
2015-02-16 | AI64969 | ND |
2015-02-16 | AI64970 | ND |
2016-02-09 | AJ06138 | ND |
2016-02-09 | AJ06139 | ND |
2017-06-20 | AJ58061 | ND |
2017-06-20 | AJ58062 | ND |
2018-02-13 | AJ83800 | ND |
2018-02-13 | AJ83801 | ND |
2019-02-25 | AK11948 | ND |
2019-02-25 | AK11949 | ND |