1,1,1-Trichloroethane
Murray, Village of
NOTE: Murray, Village of purchases water from Cass County Rural Water District 1 which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Cass County Rural Water District 1.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 5 | 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
NOTE: Murray, Village of purchases water from Cass County Rural Water District 1 which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Cass County Rural Water District 1.
| Date | Lab ID | Result |
|---|---|---|
| 2015-08-10 | 375390 | ND |
| 2015-08-10 | 375391 | ND |
| 2015-11-09 | 391669 | ND |
| 2015-11-09 | 391670 | ND |
| 2016-08-01 | ND | |
| 2016-08-01 | ND | |
| 2016-09-19 | ND | |
| 2017-08-08 | ND | |
| 2018-07-30 | 567256 | ND |
| 2018-11-13 | 577211 | ND |
| 2018-11-13 | 577212 | ND |
| 2018-11-13 | 577213 | ND |
| 2018-11-13 | 577214 | ND |
| 2019-08-12 | 628381 | ND |