1,1,1-Trichloroethane
Westchester Joint Water Works
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 | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-03-17 | AQ04609POC | ND |
2014-10-23 | AQ22037POC | ND |
2014-12-01 | AQ2601POC | ND |
2015-10-27 | AR23195POC | ND |
2015-10-27 | AR23193POC | ND |
2015-10-27 | AR23194POC | ND |
2016-09-06 | AS19150POC WJWW | ND |
2017-11-13 | AT23824POC-WJWW | ND |
2017-11-13 | AT23822POC-WJWW | ND |
2018-02-21 | AU03660POCS | ND |
2018-09-24 | AU20757WJWWPOCS | ND |
2018-10-24 | AU23144POCS | ND |
2019-10-21 | AV22258POCS | ND |
2019-11-12 | AV23850WJWW-POCS | ND |