1,1,1-Trichloroethane
Cnp Utility District
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.
13
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-02-26 | AC44793 | ND |
| 2014-04-03 | AC49242 | ND |
| 2015-02-02 | AC78763 | ND |
| 2015-02-02 | AC78769 | ND |
| 2016-02-09 | AD22798 | ND |
| 2016-02-09 | AD22794 | ND |
| 2017-05-10 | AD83664 | ND |
| 2017-05-10 | AD83718 | ND |
| 2017-05-10 | AD83668 | ND |
| 2018-02-07 | AE12789 | ND |
| 2018-05-02 | AE24869 | ND |
| 2019-05-20 | AE67184 | ND |
| 2019-05-20 | AE67186 | ND |