1,1,1-Trichloroethane
Yerkes Water Association
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.
22
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 | 1 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 5 | 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 |
|---|---|---|
| 2014-11-21 | 14112123-01 | ND |
| 2015-03-28 | 12518173 | ND |
| 2015-06-04 | 12884816 | ND |
| 2015-09-10 | 13267093 | ND |
| 2015-12-07 | 13635787 | ND |
| 2016-03-14 | 13988887 | ND |
| 2016-06-28 | 14573184 | ND |
| 2016-08-04 | 14738627 | ND |
| 2016-11-17 | 15374826 | ND |
| 2017-02-16 | 15798684 | ND |
| 2017-05-04 | 16097845 | ND |
| 2017-08-17 | 16569378 | ND |
| 2017-10-23 | 16883185 | ND |
| 2018-01-11 | 8010197-01 | ND |
| 2018-01-11 | 8010197-02 | ND |
| 2018-04-10 | 8041138-01 | ND |
| 2018-07-19 | 8070920-02 | ND |
| 2018-10-11 | 8101124-02 | ND |
| 2019-01-11 | 9011009-02 | ND |
| 2019-04-02 | 9040376-01 | ND |
| 2019-07-18 | 9070633-01 | ND |
| 2019-10-03 | 9100450-01 | ND |