1,1,1-Trichloroethane
Miamisburg City PWS
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.
8
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.140 ppb | 5 | 1 | ND - 0.700 ppb |
| 2019 | 0.335 ppb | 2 | 1 | ND - 0.670 ppb |
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 |
|---|---|---|
| 2015-06-03 | 15F0233-03 | ND |
| 2018-04-30 | 18E0137-01 | ND |
| 2018-04-30 | 18E0137-02 | 0.700 ppb |
| 2018-04-30 | 18E0137-03 | ND |
| 2018-04-30 | 18E0137-04 | ND |
| 2018-06-06 | 18F0344-03 | ND |
| 2019-04-29 | 5212710001 | ND |
| 2019-04-29 | 5212710002 | 0.670 ppb |