1,1,1-Trichloroethane
Wellsburg, City Of
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 0.550 ppb | 1 | 1 | 0.550 ppb |
| 2017 | 0.490 ppb | 3 | 1 | ND - 1.47 ppb |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2016-08-01 | 16080170-03A | 0.550 ppb |
| 2017-03-06 | 17030738-01A | 1.47 ppb |
| 2017-09-19 | 17092496-01A | ND |
| 2017-12-26 | 17123190-01A | ND |
| 2018-03-01 | 18030270-01A | ND |
| 2018-04-05 | 18040808-01A | ND |
| 2018-08-02 | 18080546-01A | ND |
| 2018-12-13 | 18121915-01A | ND |
| 2019-01-24 | 19012840-01A | ND |
| 2019-06-19 | 19062578-01A | ND |
| 2019-08-19 | M19-28116-03 | ND |
| 2019-09-30 | 468016 | ND |
| 2019-11-26 | M19-36367-01 | ND |