1,1,1-Trichloroethane
Sevier County Water Association
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.
13
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 | 3 | 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 |
|---|---|---|
| 2014-05-20 | 14142009908 | ND |
| 2014-07-15 | 14198008301 | ND |
| 2015-05-04 | 15127000901 | ND |
| 2015-07-28 | 15211000901 | ND |
| 2016-02-23 | 16056001001 | ND |
| 2016-06-07 | 16161001801 | ND |
| 2016-08-02 | 16216002701 | ND |
| 2017-05-03 | 17123004101 | ND |
| 2017-08-02 | 17215004801 | ND |
| 2018-05-21 | 18144005701 | ND |
| 2018-07-24 | 18207002001 | ND |
| 2019-04-29 | 19122009701 | ND |
| 2019-08-28 | 19241001401 | ND |