1,1,1-Trichloroethane
Pennsylvania American Royersford
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 9 | 0 | ND |
2015 | ND | 10 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 5 | 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 |
---|---|---|
2014-04-02 | 25340001 | ND |
2014-04-02 | 25341501 | ND |
2014-04-03 | 25340301 | ND |
2014-04-03 | 25340801 | ND |
2014-06-25 | 25340501 | ND |
2014-08-06 | 26818001 | ND |
2014-08-06 | 26818101 | ND |
2014-10-06 | 27103901 | ND |
2014-10-06 | 27104001 | ND |
2015-01-08 | 12283049 | ND |
2015-01-08 | 12283028 | ND |
2015-04-09 | 12628869 | ND |
2015-04-09 | 12628934 | ND |
2015-04-09 | 12628890 | ND |
2015-04-09 | 12628911 | ND |
2015-07-13 | 13008750 | ND |
2015-09-16 | 13260276 | ND |
2015-10-06 | 13385316 | ND |
2015-10-06 | 13385337 | ND |
2016-04-05 | 14097852 | ND |
2016-04-05 | 14097873 | ND |
2016-04-05 | 14097831 | ND |
2016-04-05 | 14097896 | ND |
2017-04-11 | 15931664 | ND |
2017-04-11 | 15931620 | ND |
2017-04-11 | 15931599 | ND |
2017-04-11 | 15931578 | ND |
2017-04-11 | 15931641 | ND |
2018-04-11 | 39073401 | ND |
2018-04-11 | 39072901 | ND |
2018-04-11 | 39074201 | ND |
2018-04-11 | 39073001 | ND |
2019-04-08 | 43659301 | ND |
2019-04-08 | 43660501 | ND |
2019-04-08 | 43660601 | ND |
2019-04-23 | 43659401 | ND |