1,1,1-Trichloroethane
Battle Ground Water Department
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 | 4 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 3 | 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 |
---|---|---|
2014-04-22 | 90704 | ND |
2014-04-24 | 90711 | ND |
2014-04-24 | 90710 | ND |
2014-05-22 | 40222 | ND |
2015-04-15 | 27403 | ND |
2015-05-19 | 33401 | ND |
2016-05-05 | ND | |
2016-05-05 | ND | |
2016-06-15 | ND | |
2016-09-08 | ND | |
2017-05-03 | ND | |
2017-07-11 | ND | |
2017-11-29 | ND | |
2018-04-10 | ND | |
2018-07-18 | ND | |
2019-05-21 | ND | |
2019-11-07 | ND |