1,1,1-Trichloroethane
Shelbyville Water & Sewer Commission
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.
14
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 | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-02-11 | 93473301 | ND |
| 2014-04-16 | 93594101 | ND |
| 2014-07-24 | 93771001 | ND |
| 2014-10-31 | 93960901 | ND |
| 2015-03-03 | 94199701 | ND |
| 2015-07-23 | 94483001 | ND |
| 2016-02-25 | 94905601 | ND |
| 2016-07-21 | 95241801 | ND |
| 2017-06-14 | 95964601 | ND |
| 2017-08-09 | 96090901 | ND |
| 2018-01-31 | 96452401 | ND |
| 2018-07-10 | 96831901 | ND |
| 2018-11-14 | 97145001 | ND |
| 2019-07-30 | 97709101 | ND |