1,1,1-Trichloroethane
Borough of Atglen
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 |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-03-19 | 1077387001 | ND |
| 2014-06-23 | 2014203001 | ND |
| 2014-07-29 | 2021224001 | ND |
| 2014-09-15 | 2029178001 | ND |
| 2014-12-08 | 2044696001 | ND |
| 2015-06-22 | 12876752 | ND |
| 2016-11-22 | 15221171 | ND |
| 2017-04-11 | 15930762 | ND |
| 2017-05-02 | 16088390 | ND |
| 2017-12-19 | 17156512 | ND |
| 2018-05-01 | 8041270-01 | ND |
| 2019-04-09 | 9041375-01 | ND |