1,1,1-Trichloroethane
Manchester Water District
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 | 6 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-06-24 | 01536 | ND |
2014-10-08 | 02939 | ND |
2015-04-20 | 01109 | ND |
2015-04-28 | 01211 | ND |
2015-07-14 | 02942 | ND |
2015-07-14 | 02941 | ND |
2015-08-18 | 04135 | ND |
2015-10-19 | 05949 | ND |
2016-02-18 | ND | |
2016-05-16 | ND | |
2016-07-18 | ND | |
2016-11-08 | ND | |
2016-12-29 | ND | |
2017-03-28 | ND | |
2018-10-02 | ND |