1,1,1-Trichloroethane
Cole County PWSD 2
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.
20
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 | 6 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 7 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-03-06 | AC20723 | ND |
| 2014-03-06 | AC20725 | ND |
| 2014-03-06 | AC20726 | ND |
| 2014-03-06 | AC20727 | ND |
| 2014-03-06 | AC20728 | ND |
| 2014-03-06 | AC20724 | ND |
| 2015-02-25 | AC42786 | ND |
| 2015-02-25 | AC42784 | ND |
| 2015-02-25 | AC42785 | ND |
| 2015-02-25 | AC42788 | ND |
| 2015-02-25 | AC42787 | ND |
| 2015-02-25 | AC42783 | ND |
| 2015-02-25 | AC42782 | ND |
| 2018-05-07 | AD19068 | ND |
| 2018-05-07 | AD19069 | ND |
| 2018-05-07 | AD19070 | ND |
| 2018-05-07 | AD19071 | ND |
| 2018-05-07 | AD19072 | ND |
| 2018-05-07 | AD19073 | ND |
| 2018-05-07 | AD19074 | ND |