1,1,1-Trichloroethane
City of West Columbia
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.
12
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-01-22 | AD34777 | ND |
| 2014-01-22 | AD34778 | ND |
| 2015-01-21 | AD50493 | ND |
| 2015-01-21 | AD50494 | ND |
| 2016-02-03 | AD70088 | ND |
| 2016-02-03 | AD70089 | ND |
| 2017-01-18 | AD88449 | ND |
| 2017-03-07 | AD90716 | ND |
| 2018-02-15 | AE07832 | ND |
| 2018-03-01 | AE08512 | ND |
| 2019-01-08 | AE23569 | ND |
| 2019-02-11 | AE25245 | ND |