1,1,1-Trichloroethane
Calhoun County Water and Fire Protection Authority
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.
18
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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 | 140520017-1 | ND |
| 2014-06-25 | 140625052-1 | ND |
| 2014-06-25 | 140625052-2 | ND |
| 2015-05-18 | 150519001-1 | ND |
| 2016-03-21 | 160321027-1 | ND |
| 2016-05-19 | 160519024-1 | ND |
| 2016-12-01 | 161201077-1 | ND |
| 2017-02-22 | 170222065-2 | ND |
| 2017-02-22 | 170222065-1 | ND |
| 2017-03-09 | 170309034-1 | ND |
| 2017-05-19 | 170519042-1 | ND |
| 2017-06-05 | 170605055-1 | ND |
| 2017-08-08 | 170808022-1 | ND |
| 2018-02-22 | 180222038-1 | ND |
| 2018-05-21 | 180521039-1 | ND |
| 2019-02-21 | 19020672-002A | ND |
| 2019-02-21 | 19020672-001A | ND |
| 2019-05-20 | 19050584-001A | ND |