1,1,1-Trichloroethane
South Berwick Water District
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.
24
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 | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-05-01 | ND | |
| 2014-05-01 | ND | |
| 2014-05-01 | ND | |
| 2014-05-01 | ND | |
| 2015-05-27 | K006684001 | ND |
| 2015-05-27 | K006683001 | ND |
| 2015-05-27 | K006682001 | ND |
| 2015-05-27 | K006681001 | ND |
| 2016-07-28 | L010667001 | ND |
| 2016-07-28 | L010666001 | ND |
| 2016-07-28 | L010665001 | ND |
| 2016-07-28 | L010664001 | ND |
| 2017-06-06 | 1702253-01 | ND |
| 2017-06-06 | 1702250-01 | ND |
| 2017-06-06 | 1702251-01 | ND |
| 2017-06-06 | 1702252-01 | ND |
| 2018-06-27 | 1804719-01 | ND |
| 2018-06-27 | 1804721-01 | ND |
| 2018-06-27 | 1804722-01 | ND |
| 2018-06-27 | 1804720-01 | ND |
| 2019-06-06 | 1904423-01 | ND |
| 2019-06-06 | 1904422-01 | ND |
| 2019-06-06 | 1904421-01 | ND |
| 2019-06-06 | 1904420-01 | ND |