1,1,1-Trichloroethane
Grand Lakes Municipal Utility District 4
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.
10
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 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2015-05-11 | AC91354 | ND |
| 2015-05-11 | AC91338 | ND |
| 2016-05-17 | AD37047 | ND |
| 2016-05-17 | AD37049 | ND |
| 2017-10-04 | AD99306 | ND |
| 2017-10-04 | AD99304 | ND |
| 2018-07-17 | AE33601 | ND |
| 2018-07-17 | AE33595 | ND |
| 2019-04-12 | AE62303 | ND |
| 2019-04-12 | AE62293 | ND |