1,1,1-Trichloroethane
Town of Florence
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.
14
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 | 4 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-03-18 | 140319-002VO | ND |
| 2014-05-29 | 140530-002VO | ND |
| 2014-08-28 | 140829-005VO | ND |
| 2014-10-20 | 141021-004VO | ND |
| 2015-03-16 | 150317-021VO | ND |
| 2015-05-19 | 150520-003VO | ND |
| 2015-08-24 | 150825-008VO | ND |
| 2016-08-09 | 160810-017VO | ND |
| 2016-08-09 | 160810-018VO | ND |
| 2016-08-09 | 160810-019VO | ND |
| 2016-12-13 | 161214-002VO | ND |
| 2017-09-19 | 170920-007VO | ND |
| 2018-07-16 | 180717-005VO | ND |
| 2019-07-25 | 190726-005VO | ND |