1,1,1-Trichloroethane
Central Texas Water Supply Corporation
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 |
|---|---|---|---|---|
| 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 |
|---|---|---|
| 2014-04-08 | AC49753 | ND |
| 2014-07-23 | AC60714 | ND |
| 2015-03-10 | AC83519 | ND |
| 2015-09-03 | AD05676 | ND |
| 2016-03-14 | AD28558 | ND |
| 2016-09-29 | AD52052 | ND |
| 2017-03-20 | AD75733 | ND |
| 2017-08-21 | AD93557 | ND |
| 2018-01-17 | AE09111 | ND |
| 2018-08-14 | AE36989 | ND |
| 2019-03-27 | AE60192 | ND |
| 2019-08-15 | AE78974 | ND |