1,1,1-Trichloroethane
Fort Bend County Municipal Utility District 146
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 |
|---|---|---|
| 2014-02-20 | AC43869 | ND |
| 2014-02-20 | AC43877 | ND |
| 2015-02-02 | AC78779 | ND |
| 2015-02-02 | AC78773 | ND |
| 2016-11-22 | AD59052 | ND |
| 2016-11-22 | AD59064 | ND |
| 2017-03-21 | AD76035 | ND |
| 2017-03-21 | AD76039 | ND |
| 2018-05-16 | AE26586 | ND |
| 2018-05-16 | AE26590 | ND |
| 2019-07-23 | AE75581 | ND |
| 2019-07-23 | AE75583 | ND |