1,1,1-Trichloroethane
Carroll 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 | 4 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 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 |
---|---|---|
2014-02-18 | AI28176 | ND |
2014-02-18 | AI28177 | ND |
2014-05-15 | AI40669 | ND |
2014-05-15 | AI40670 | ND |
2015-02-03 | AI63966 | ND |
2016-02-02 | AJ05496 | ND |
2017-03-28 | AJ49069 | ND |
2017-03-28 | AJ49070 | ND |
2017-03-28 | AJ49071 | ND |
2017-03-28 | AJ49072 | ND |
2018-01-29 | AJ78039 | ND |
2019-02-20 | AK11673 | ND |