1,1,1-Trichloroethane
Salem 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.
12
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 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 |
|---|---|---|
| 2014-02-19 | 1402-00360-001 | ND |
| 2014-07-22 | 1407-00658-001 | ND |
| 2015-03-09 | 1503-00536-001 | ND |
| 2015-08-18 | 1508-01552-001 | ND |
| 2016-03-07 | 1603-00674-001 | ND |
| 2016-07-07 | 1607-00564-001 | ND |
| 2017-02-22 | 1702-01614-001 | ND |
| 2017-07-18 | 1707-02043-001 | ND |
| 2018-02-15 | 1802-01345-001 | ND |
| 2018-07-02 | 1807-00228-001 | ND |
| 2019-02-07 | 1902-00602-001 | ND |
| 2019-07-11 | 1907-01496-001 | ND |