1,1,1-Trichloroethane
Demopolis Water Works and Sewer Board
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.
14
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-08-04 | 140804014-1 | ND |
| 2015-08-03 | 150803029-1 | ND |
| 2016-02-04 | 160204014-1 | ND |
| 2016-02-04 | 160204014-3 | ND |
| 2016-02-04 | 160204014-4 | ND |
| 2016-02-04 | 160204014-2 | ND |
| 2016-08-05 | 160805036-1 | ND |
| 2017-08-10 | 170810041-1 | ND |
| 2018-08-09 | 18080285-001A | ND |
| 2019-02-07 | 19020262-004A | ND |
| 2019-02-07 | 19020262-003A | ND |
| 2019-02-07 | 19020262-002A | ND |
| 2019-02-07 | 19020262-001A | ND |
| 2019-08-08 | 20116273001_IVOC | ND |