1,1,1-Trichloroethane
City of Beaumont Water Utility Department
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.
11
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 | 1 | 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 |
|---|---|---|
| 2014-07-21 | AC60277 | ND |
| 2015-02-02 | AC78751 | ND |
| 2015-07-09 | AC98986 | ND |
| 2016-01-27 | AD20407 | ND |
| 2016-09-25 | AD51537 | ND |
| 2017-02-02 | AD68439 | ND |
| 2017-08-10 | AD92757 | ND |
| 2018-09-11 | AE39590 | ND |
| 2018-12-12 | AE48663 | ND |
| 2019-07-17 | AE74854 | ND |
| 2019-12-04 | AE91269 | ND |