1,1,1-Trichloroethane
Horn Lake Water Association
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.
10
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-06-10 | 140611-008VO | ND |
| 2015-06-23 | 150624-008VO | ND |
| 2017-04-11 | 170412-004VO | ND |
| 2018-01-24 | 180125-019VO | ND |
| 2018-04-24 | 180425-002VO | ND |
| 2018-08-08 | 180809-008VO | ND |
| 2018-10-10 | 181011-004VO | ND |
| 2019-02-19 | 190220-018VO | ND |
| 2019-04-23 | 190424-015VO | ND |
| 2019-08-07 | 190808-015VO | ND |