1,1,1-Trichloroethane
Harwich 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 | 14 | 0 | ND |
2015 | ND | 14 | 0 | ND |
2016 | ND | 14 | 0 | ND |
2017 | ND | 22 | 0 | ND |
2018 | ND | 21 | 0 | ND |
2019 | ND | 15 | 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 |
---|---|
2014-02-27 | ND |
2014-02-27 | ND |
2014-02-27 | ND |
2014-02-27 | ND |
2014-02-27 | ND |
2014-02-27 | ND |
2014-03-05 | ND |
2014-03-06 | ND |
2014-03-06 | ND |
2014-03-06 | ND |
2014-03-06 | ND |
2014-03-06 | ND |
2014-03-06 | ND |
2014-03-06 | ND |
2015-02-25 | ND |
2015-02-25 | ND |
2015-02-25 | ND |
2015-02-25 | ND |
2015-02-25 | ND |
2015-02-25 | ND |
2015-02-26 | ND |
2015-02-26 | ND |
2015-02-26 | ND |
2015-02-26 | ND |
2015-02-26 | ND |
2015-02-26 | ND |
2015-02-26 | ND |
2015-03-13 | ND |
2016-02-29 | ND |
2016-02-29 | ND |
2016-02-29 | ND |
2016-02-29 | ND |
2016-02-29 | ND |
2016-03-02 | ND |
2016-03-02 | ND |
2016-03-02 | ND |
2016-03-02 | ND |
2016-03-02 | ND |
2016-03-02 | ND |
2016-03-02 | ND |
2016-03-23 | ND |
2016-03-23 | ND |
2017-02-28 | ND |
2017-02-28 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-03-09 | ND |
2017-05-17 | ND |
2017-05-17 | ND |
2017-06-07 | ND |
2017-08-09 | ND |
2017-08-09 | ND |
2017-12-20 | ND |
2017-12-21 | ND |
2017-12-21 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-03-08 | ND |
2018-05-16 | ND |
2018-05-16 | ND |
2018-05-16 | ND |
2018-08-15 | ND |
2018-08-15 | ND |
2018-08-22 | ND |
2018-12-10 | ND |
2018-12-10 | ND |
2018-12-10 | ND |
2019-03-06 | ND |
2019-03-06 | ND |
2019-03-06 | ND |
2019-03-06 | ND |
2019-03-07 | ND |
2019-03-07 | ND |
2019-06-19 | ND |
2019-06-19 | ND |
2019-06-19 | ND |
2019-08-15 | ND |
2019-08-15 | ND |
2019-08-15 | ND |
2019-12-04 | ND |
2019-12-04 | ND |
2019-12-04 | ND |