1,1,1-Trichloroethane
City of Hermiston
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-08-13 | 140814039001-V | ND |
| 2015-08-10 | 150813003003-V | ND |
| 2015-08-10 | 150813003005-V | ND |
| 2015-08-10 | 150813003007-V | ND |
| 2015-08-10 | 150813003001-V | ND |
| 2016-08-03 | 1608040322001-V | ND |
| 2016-08-03 | 160804032001-V | ND |
| 2017-04-10 | 170410D2-V | ND |
| 2017-04-10 | 170410D3-V | ND |
| 2017-04-10 | 170410D4-V | ND |
| 2017-04-10 | 170410D1-V | ND |
| 2017-05-18 | 170518D1-V | ND |
| 2018-04-03 | 180403J-V | ND |
| 2019-04-11 | 904120301-V | ND |