1,1,1-Trichloroethane
El Dorado 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 | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 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 |
---|---|---|
2014-04-29 | 14121002702 | ND |
2014-11-12 | 14317002902 | ND |
2015-05-27 | 15148009202 | ND |
2016-04-11 | 16105004602 | ND |
2017-06-13 | 17166001602 | ND |
2017-10-11 | 17285000502 | ND |
2018-04-30 | 18123005702 | ND |
2019-05-13 | 19136000402 | ND |