1,1,1-Trichloroethane
Silverdale Water District 16
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 | N/A | 0 | 0 | N/A |
2015 | ND | 11 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-08-20 | 39383 | ND |
2015-08-20 | 39382 | ND |
2015-08-20 | 39381 | ND |
2015-08-20 | 39380 | ND |
2015-08-20 | 39379 | ND |
2015-08-20 | 39378 | ND |
2015-08-21 | 40225 | ND |
2015-08-21 | 40224 | ND |
2015-08-21 | 40223 | ND |
2015-08-21 | 40222 | ND |
2015-08-21 | 40221 | ND |
2016-01-25 | ND | |
2018-09-04 | ND |