1,1,1-Trichloroethane
Menomonee Falls WW - Groundwater
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.
18
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 | 5 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 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 |
|---|---|---|
| 2014-04-22 | 781776 | ND |
| 2014-06-24 | 4098771001-1 | ND |
| 2014-08-18 | 812259 | ND |
| 2014-08-18 | 812263 | ND |
| 2014-12-08 | 40108193002-1 | ND |
| 2015-02-26 | 40111068001-1 | ND |
| 2015-06-09 | 40116376001-1 | ND |
| 2015-08-19 | 40119851002-1 | ND |
| 2015-12-09 | 40125923001-1 | ND |
| 2016-03-08 | 40129217001-1 | ND |
| 2016-06-02 | 40133220001-1 | ND |
| 2016-08-18 | 40137000004-1 | ND |
| 2016-11-30 | 40142817002-1 | ND |
| 2017-03-14 | 40146774001-1 | ND |
| 2017-06-08 | 40151360001-1 | ND |
| 2017-08-24 | 40155697001-1 | ND |
| 2018-08-08 | 40173776001-1 | ND |
| 2019-08-13 | 40192942001-1 | ND |