1,1,1-Trichloroethane
Hudson 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.
23
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 8 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | 0.400 ppb | 1 | 1 | 0.400 ppb |
2017 | ND | 5 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-03-26 | 776792 | ND |
2014-03-26 | 776786 | ND |
2014-03-26 | 776789 | ND |
2014-03-31 | 777341 | ND |
2014-06-16 | 797090 | ND |
2014-06-18 | 797882 | ND |
2014-08-25 | 812921 | ND |
2014-11-05 | 830047 | ND |
2015-02-04 | 841974 | ND |
2015-05-04 | 857799 | ND |
2015-07-14 | 870837 | ND |
2015-10-21 | 890287 | ND |
2016-06-13 | 926541 | 0.400 ppb |
2017-04-03 | 980883 | ND |
2017-04-03 | 980874 | ND |
2017-04-03 | 980878 | ND |
2017-04-04 | 981146 | ND |
2017-04-05 | 981439 | ND |
2018-06-25 | 1063650 | ND |
2018-10-23 | 1088635 | ND |
2019-02-26 | 1106795 | ND |
2019-05-08 | 1119849 | ND |
2019-08-06 | 1139065 | ND |