1,1,1-Trichloroethane
Clearwater
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.
11
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 | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-06-17 | 14F1226-01 | ND |
| 2015-08-04 | 15H0116-01 | ND |
| 2015-08-04 | 15H0116-02 | ND |
| 2015-08-04 | 15H0120-01 | ND |
| 2016-04-21 | 3435234 | ND |
| 2016-04-21 | 3435258 | ND |
| 2016-04-21 | 3435266 | ND |
| 2017-02-27 | 17B1349-01 | ND |
| 2018-03-20 | 18C0824-02 | ND |
| 2018-03-20 | 18C0827-01 | ND |
| 2019-12-03 | 19L0090-01 | ND |