1,1,1-Trichloroethane
Meadow District
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.
20
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 | 6 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-06-30 | S504511 | ND |
| 2014-07-24 | L5171754-3 | ND |
| 2014-07-24 | L5171754-2 | ND |
| 2014-08-25 | S479228 | ND |
| 2014-08-25 | S479187 | ND |
| 2014-10-24 | S251490 | ND |
| 2015-01-22 | S588750 | ND |
| 2015-08-12 | S612424 | ND |
| 2015-08-12 | S612423 | ND |
| 2015-10-20 | S614748 | ND |
| 2016-03-01 | S659176 | ND |
| 2016-08-17 | S670377 | ND |
| 2016-08-17 | S670376 | ND |
| 2017-01-25 | S670508 | ND |
| 2017-07-25 | S730815 | ND |
| 2017-07-25 | S679349 | ND |
| 2017-08-29 | S730913 | ND |
| 2017-08-29 | S730909 | ND |
| 2019-08-01 | S898798 | ND |
| 2019-08-01 | S898802 | ND |