1,1,1-Trichloroethane
Palmer Water District No.1
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.
44
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 |
|---|---|---|---|---|
| 2012 | ND | 7 | 0 | ND |
| 2013 | ND | 13 | 0 | ND |
| 2014 | ND | 9 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 5 | 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 | Result |
|---|---|
| 2012-07-18 | ND |
| 2012-07-18 | ND |
| 2012-07-18 | ND |
| 2012-07-18 | ND |
| 2012-07-18 | ND |
| 2012-12-11 | ND |
| 2012-12-11 | ND |
| 2013-03-11 | ND |
| 2013-03-11 | ND |
| 2013-05-13 | ND |
| 2013-05-13 | ND |
| 2013-07-09 | ND |
| 2013-07-09 | ND |
| 2013-09-17 | ND |
| 2013-09-17 | ND |
| 2013-09-17 | ND |
| 2013-09-17 | ND |
| 2013-09-17 | ND |
| 2013-12-10 | ND |
| 2013-12-10 | ND |
| 2014-02-18 | ND |
| 2014-02-18 | ND |
| 2014-09-24 | ND |
| 2014-09-24 | ND |
| 2014-09-24 | ND |
| 2014-09-24 | ND |
| 2014-09-24 | ND |
| 2014-11-24 | ND |
| 2014-11-24 | ND |
| 2015-08-10 | ND |
| 2015-08-10 | ND |
| 2015-08-10 | ND |
| 2015-08-10 | ND |
| 2015-08-10 | ND |
| 2016-08-09 | ND |
| 2016-08-09 | ND |
| 2016-08-09 | ND |
| 2016-08-09 | ND |
| 2016-08-09 | ND |
| 2017-11-15 | ND |
| 2017-11-15 | ND |
| 2017-11-15 | ND |
| 2017-11-15 | ND |
| 2017-11-15 | ND |