1,1,1-Trichloroethane
Warrington Twp Water&sew Dept
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.
26
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 | 9 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-01-27 | L4861062-1 | ND |
| 2014-01-27 | L4861067-1 | ND |
| 2014-01-27 | L4861062-3 | ND |
| 2014-01-27 | L4861062-4 | ND |
| 2014-01-27 | L4861062-5 | ND |
| 2014-03-13 | L4940517-1 | ND |
| 2014-03-13 | L4940517-2 | ND |
| 2014-06-12 | L5059467-1 | ND |
| 2014-09-19 | L5205522-1 | ND |
| 2015-01-27 | 12274285 | ND |
| 2015-01-27 | 12274231 | ND |
| 2015-01-27 | 12274177 | ND |
| 2015-01-27 | 12274339 | ND |
| 2015-01-27 | 12274123 | ND |
| 2016-02-05 | 13857874 | ND |
| 2016-02-05 | 13857928 | ND |
| 2016-02-05 | 13857982 | ND |
| 2016-02-05 | 13858036 | ND |
| 2017-01-12 | 15502155 | ND |
| 2017-01-12 | 15502207 | ND |
| 2017-01-12 | 15502259 | ND |
| 2017-12-06 | 17148423 | ND |
| 2018-01-03 | 8011431-02 | ND |
| 2018-01-03 | 8011431-03 | ND |
| 2019-01-02 | 9011290-01 | ND |
| 2019-01-02 | 9011290-02 | ND |