1,1,1-Trichloroethane
Austin Utilities
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2014-02-25 | 14B1784-01 | ND |
| 2016-03-08 | 16C0451-01 | ND |
| 2016-03-08 | 16C0458-01 | ND |
| 2016-03-08 | 16C0461-01 | ND |
| 2018-12-27 | 18L0844-01 | ND |
| 2019-09-23 | 19I1330-01 | ND |
| 2019-11-20 | 19K0944-01 | ND |
| 2019-11-20 | 19K0944-02 | ND |
| 2019-11-20 | 19K0944-03 | ND |
| 2019-11-20 | 19K0944-05 | ND |
| 2019-11-20 | 19K0944-06 | ND |
| 2019-11-20 | 19K0944-07 | ND |