1,1,1-Trichloroethane
Zachary 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.
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 10 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2016-01-12 | 35225030003 | ND |
| 2016-01-12 | 35225030003 | ND |
| 2016-07-26 | 35256952004 | ND |
| 2016-07-26 | 35256952003 | ND |
| 2016-07-26 | 35256952001 | ND |
| 2016-07-26 | 35256952002 | ND |
| 2016-07-26 | 35256952003 | ND |
| 2016-07-26 | 35256952004 | ND |
| 2016-07-26 | 35256952002 | ND |
| 2016-07-26 | 35256952001 | ND |
| 2018-11-26 | 35433146001 | ND |
| 2018-11-26 | 35433146001 | ND |
| 2019-06-18 | 35476846001 | ND |
| 2019-06-18 | 35476846004 | ND |
| 2019-06-18 | 35476846003 | ND |
| 2019-06-18 | 35476846002 | ND |
| 2019-06-18 | 35476846001 | ND |
| 2019-06-18 | 35476846004 | ND |
| 2019-06-18 | 35476846003 | ND |
| 2019-06-18 | 35476846002 | ND |