1,1,1-Trichloroethane
South Saint Paul
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.
10
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-12-02 | 14L0044-04 | ND |
| 2016-07-18 | 3495872 | ND |
| 2017-07-10 | 17G0315-01 | ND |
| 2017-07-10 | 17G0315-02 | ND |
| 2017-07-10 | 17G0315-03 | ND |
| 2018-01-03 | 18A0012-02 | ND |
| 2018-05-10 | 18E0892-01 | ND |
| 2018-08-24 | 18H2147-01 | ND |
| 2018-10-18 | 18J0909-01 | ND |
| 2019-01-14 | 19A0377-01 | ND |