1,1,1-Trichloroethane
Hardin County Water District #2
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.
12
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 | 3 | 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 |
|---|---|---|
| 2014-01-29 | 4012982-01 | ND |
| 2015-01-21 | 5010570-01 | ND |
| 2015-02-17 | 5022421-01 | ND |
| 2015-02-17 | 5022422-01 | ND |
| 2016-01-20 | 6010778-01 | ND |
| 2016-01-20 | 6010776-01 | ND |
| 2017-01-17 | 7011124-01 | ND |
| 2017-01-17 | 7011123-01 | ND |
| 2018-01-17 | 8010613-01 | ND |
| 2018-06-05 | 8061102-01 | ND |
| 2019-01-16 | 9010910-01 | ND |
| 2019-01-16 | 9010911-01 | ND |