1,1,1-Trichloroethane
Quarryville Borough
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.
25
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 | 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 |
|---|---|---|
| 2014-01-09 | 1066488001 | ND |
| 2014-04-10 | 2001029001 | ND |
| 2014-07-10 | 2017224001 | ND |
| 2014-10-09 | 2033571001 | ND |
| 2015-02-19 | 12487573 | ND |
| 2015-04-09 | 12722189 | ND |
| 2015-07-09 | 13108346 | ND |
| 2015-10-08 | 13605093 | ND |
| 2016-01-07 | 13843224 | ND |
| 2016-04-07 | 14216718 | ND |
| 2016-07-14 | 14699923 | ND |
| 2016-10-06 | 15194361 | ND |
| 2017-01-09 | 15625155 | ND |
| 2017-04-06 | 16057673 | ND |
| 2017-08-10 | 16691241 | ND |
| 2017-10-06 | 16991876 | ND |
| 2017-11-09 | 17130624 | ND |
| 2018-01-11 | 7121162-01 | ND |
| 2018-04-09 | 8032882-01 | ND |
| 2018-07-10 | 8062555-01 | ND |
| 2018-10-11 | 8093465-01 | ND |
| 2019-01-10 | 8123550-01 | ND |
| 2019-04-11 | 9032840-01 | ND |
| 2019-07-09 | 9063178-01 | ND |
| 2019-10-10 | 9093307-01 | ND |