1,1,1-Trichloroethane
City of Sterling
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.
16
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 | 3 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|
2014-05-28 | ND |
2014-08-13 | ND |
2014-10-27 | ND |
2015-02-10 | ND |
2015-04-15 | ND |
2015-07-08 | ND |
2015-10-07 | ND |
2016-01-26 | ND |
2016-09-22 | ND |
2016-11-01 | ND |
2017-01-23 | ND |
2017-04-27 | ND |
2017-08-22 | ND |
2017-10-17 | ND |
2018-02-07 | ND |
2019-03-11 | ND |