1,1,1-Trichloroethane
Laurel Water Department
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-09-25 | L5275053-5 | ND |
| 2015-12-22 | S654862 | ND |
| 2016-07-26 | S677016 | ND |
| 2016-08-10 | S654298 | ND |
| 2017-06-28 | S738851 | ND |
| 2017-09-22 | S769548 | ND |
| 2018-03-16 | S792209 | ND |
| 2018-06-20 | S792365 | ND |
| 2019-08-14 | S848465 | ND |
| 2019-11-04 | S893205 | ND |