1,1,1-Trichloroethane
Sneedville Utility District
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.
19
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 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 | Result |
|---|---|
| 2014-04-01 | ND |
| 2015-04-06 | ND |
| 2015-06-02 | ND |
| 2015-07-06 | ND |
| 2015-10-05 | ND |
| 2016-01-05 | ND |
| 2016-04-05 | ND |
| 2017-03-09 | ND |
| 2017-05-02 | ND |
| 2017-07-06 | ND |
| 2017-10-02 | ND |
| 2018-01-02 | ND |
| 2018-04-03 | ND |
| 2018-07-02 | ND |
| 2018-10-10 | ND |
| 2019-03-19 | ND |
| 2019-04-01 | ND |
| 2019-07-01 | ND |
| 2019-10-01 | ND |