1,1,1-Trichloroethane
Mount Pleasant Waterworks
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 | 1 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | 0.0950 ppb | 6 | 1 | ND - 0.570 ppb |
2017 | ND | 7 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-01-27 | 14030009501 | ND |
2015-01-13 | 15015001701 | ND |
2015-04-14 | 15106003901 | ND |
2015-07-14 | 15196002901 | ND |
2015-10-15 | 15289006401 | ND |
2016-01-14 | 16015011701 | ND |
2016-04-12 | 16105008901 | ND |
2016-07-12 | 16196016601 | ND |
2016-07-12 | 16196014701 | 0.570 ppb |
2016-10-11 | 16287009001 | ND |
2016-10-11 | 16287009301 | ND |
2017-01-10 | 17012008801 | ND |
2017-01-10 | 17012009101 | ND |
2017-04-11 | 17103001301 | ND |
2017-04-11 | 17103001601 | ND |
2017-07-11 | 17194009101 | ND |
2017-07-11 | 17194008801 | ND |
2017-10-10 | 17285010901 | ND |
2018-04-10 | 18102006209 | ND |
2018-07-10 | 18193010201 | ND |
2018-10-09 | 18284007201 | ND |
2018-12-04 | 18339002009 | ND |
2019-01-15 | 19016001501 | ND |
2019-08-27 | 19240001101 | ND |
2019-08-27 | 19240000801 | ND |
2019-10-09 | 19282002301 | ND |