1,1,1-Trichloroethane
City of Broussard Highway 90 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.
50
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 | 24 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 12 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-02-17 | AD89082 | ND |
| 2014-02-17 | AD89082 | ND |
| 2014-03-24 | AD89953 | ND |
| 2014-03-24 | AD89952 | ND |
| 2014-03-24 | AD89953 | ND |
| 2014-03-24 | AD89952 | ND |
| 2014-05-05 | AD91181 | ND |
| 2014-05-05 | AD91179 | ND |
| 2014-05-05 | AD91180 | ND |
| 2014-05-05 | AD91181 | ND |
| 2014-05-05 | AD91180 | ND |
| 2014-05-05 | AD91179 | ND |
| 2014-09-15 | AD96936 | ND |
| 2014-09-15 | AD96937 | ND |
| 2014-09-15 | AD96938 | ND |
| 2014-09-15 | AD96936 | ND |
| 2014-09-15 | AD96937 | ND |
| 2014-09-15 | AD96938 | ND |
| 2014-11-17 | AD99809 | ND |
| 2014-11-17 | AD99810 | ND |
| 2014-11-17 | AD99811 | ND |
| 2014-11-17 | AD99809 | ND |
| 2014-11-17 | AD99810 | ND |
| 2014-11-17 | AD99811 | ND |
| 2015-11-30 | 35218949002 | ND |
| 2015-11-30 | 35218949001 | ND |
| 2015-11-30 | 35218949002 | ND |
| 2015-11-30 | 35218949001 | ND |
| 2016-06-07 | 35248530008 | ND |
| 2016-06-07 | 35248530006 | ND |
| 2016-06-07 | 35248530007 | ND |
| 2016-06-07 | 35248530006 | ND |
| 2016-06-07 | 35248530007 | ND |
| 2016-06-07 | 35248530008 | ND |
| 2016-11-01 | 35274958005 | ND |
| 2016-11-01 | 35274958005 | ND |
| 2016-11-01 | 35274958004 | ND |
| 2016-11-01 | 35274958003 | ND |
| 2016-11-01 | 35274958003 | ND |
| 2016-11-01 | 35274958004 | ND |
| 2017-03-03 | 35299127005 | ND |
| 2017-03-03 | 35299127004 | ND |
| 2017-03-03 | 35299127003 | ND |
| 2017-03-03 | 35299127003 | ND |
| 2017-03-03 | 35299127004 | ND |
| 2017-03-03 | 35299127005 | ND |
| 2018-06-12 | 35398353001 | ND |
| 2018-06-12 | 35398353002 | ND |
| 2018-06-12 | 35398353001 | ND |
| 2018-06-12 | 35398353002 | ND |