1,1,1-Trichloroethane
City of Denham Springs Water System
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.
26
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 | 12 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 10 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-06-17 | AD92288 | ND |
| 2014-06-17 | AD92286 | ND |
| 2014-06-17 | AD92285 | ND |
| 2014-06-17 | AD92287 | ND |
| 2014-06-17 | AD92288 | ND |
| 2014-06-17 | AD92289 | ND |
| 2014-06-17 | AD92287 | ND |
| 2014-06-17 | AD92286 | ND |
| 2014-06-17 | AD92285 | ND |
| 2014-06-17 | AD92289 | ND |
| 2014-12-08 | AE00303 | ND |
| 2014-12-08 | AE00303 | ND |
| 2015-09-16 | 35207899001 | ND |
| 2015-09-16 | 35207899001 | ND |
| 2017-07-17 | 35325021004 | ND |
| 2017-07-17 | 35325021003 | ND |
| 2017-07-17 | 35325021002 | ND |
| 2017-07-17 | 35325021001 | ND |
| 2017-07-17 | 35325021002 | ND |
| 2017-07-17 | 35325021003 | ND |
| 2017-07-17 | 35325021004 | ND |
| 2017-07-17 | 35325021001 | ND |
| 2017-09-25 | 35338791003 | ND |
| 2017-09-25 | 35338791003 | ND |
| 2018-01-29 | 35371221001 | ND |
| 2018-01-29 | 35371221001 | ND |