1,1,1-Trichloroethane
Northern Kentucky Water 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.
20
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 | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-03-10 | 201403531002 | ND |
| 2014-03-10 | 201403531001 | ND |
| 2014-08-05 | 201411056002 | ND |
| 2015-03-02 | 201502492001 | ND |
| 2015-04-20 | 201504745001 | ND |
| 2015-08-04 | 201509354003 | ND |
| 2016-03-02 | 201603148003 | ND |
| 2016-03-02 | 201603148002 | ND |
| 2016-08-02 | 11369002 | ND |
| 2017-03-07 | 03262002 | ND |
| 2017-03-07 | 03262001 | ND |
| 2017-08-08 | 11676002 | ND |
| 2018-01-30 | 01042001 | ND |
| 2018-01-30 | 01042002 | ND |
| 2018-08-28 | 08281808 | ND |
| 2019-03-06 | 03061929 | ND |
| 2019-03-13 | 031131904 | ND |
| 2019-03-13 | 03131906 | ND |
| 2019-07-09 | 07081910 | ND |
| 2019-07-10 | 07081924 | ND |