1,1,1-Trichloroethane
Crest Hill
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 | 7 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 5 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-02-05 | SB40145-01_01 | ND |
2014-02-05 | SB40145-02_01 | ND |
2014-02-05 | SB40145-03_01 | ND |
2014-02-05 | SB40145-04_01 | ND |
2014-02-05 | SB40145-05_01 | ND |
2014-02-05 | SB40145-06_01 | ND |
2014-02-05 | SB40145-07_01 | ND |
2017-01-31 | 1702025-001A | ND |
2017-01-31 | 1702025-003A | ND |
2017-01-31 | 1702025-005A | ND |
2017-01-31 | 1702025-007A | ND |
2017-12-28 | 1801129-001A | ND |
2018-06-26 | 18F1104-01_02 | ND |
2018-10-31 | 18K0002-01_02 | ND |