1,1,1-Trichloroethane
St Charles
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 | 6 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 7 | 0 | ND |
2018 | ND | 3 | 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 |
---|---|---|
2014-06-09 | 1406467-001A | ND |
2014-09-29 | 1409F63-001A | ND |
2014-09-29 | 1409F63-003A | ND |
2014-09-29 | 1409F63-005A | ND |
2014-09-29 | 1409F63-007A | ND |
2014-09-29 | 1409F63-009A | ND |
2017-05-11 | 7052363-01 | ND |
2017-07-19 | 7074025-01 | ND |
2017-07-19 | 7074025-02 | ND |
2017-07-19 | 7074025-03 | ND |
2017-07-19 | 7074025-04 | ND |
2017-07-19 | 7074025-05 | ND |
2017-10-25 | 7104370-01 | ND |
2018-01-10 | 8011459-01 | ND |
2018-05-21 | 8053681-02 | ND |
2018-08-08 | 8081936-01 | ND |