1,1,1-Trichloroethane
Bethel Water Department
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.
18
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-07-15 | 188551CH | ND |
| 2014-07-15 | 188550CH | ND |
| 2015-03-03 | 194668CH | ND |
| 2015-03-03 | 194670CH | ND |
| 2016-02-09 | 205073CH | ND |
| 2016-02-09 | 205075CH | ND |
| 2016-05-12 | 208037GE | ND |
| 2017-09-13 | 304907GE | ND |
| 2017-09-13 | 304908GE | ND |
| 2017-11-20 | 307165GE | ND |
| 2018-03-01 | 309832GE | ND |
| 2018-03-01 | 309833GE | ND |
| 2018-03-01 | 309834GE | ND |
| 2018-04-17 | 311175GE | ND |
| 2018-07-03 | 313822GE | ND |
| 2019-01-29 | 320479GE | ND |
| 2019-01-29 | 320491GE | ND |
| 2019-01-29 | 320484GE | ND |