1,1,1-Trichloroethane
Scituate Water Division
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 | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 | Result |
---|---|
2014-12-04 | ND |
2014-12-04 | ND |
2014-12-04 | ND |
2014-12-04 | ND |
2015-10-27 | ND |
2015-10-27 | ND |
2015-10-27 | ND |
2015-10-27 | ND |
2016-11-17 | ND |
2016-11-17 | ND |
2016-11-17 | ND |
2016-12-05 | ND |
2017-11-09 | ND |
2017-11-09 | ND |
2017-11-09 | ND |
2017-11-09 | ND |
2018-05-07 | ND |
2018-09-20 | ND |
2018-12-04 | ND |
2018-12-04 | ND |
2018-12-04 | ND |
2019-02-26 | ND |
2019-03-05 | ND |
2019-03-12 | ND |
2019-12-17 | ND |
2019-12-17 | ND |