1,1,1-Trichloroethane
North Kona
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.
28
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 | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-03-18 | C14-03-0113A | ND |
| 2014-03-18 | C14-03-0114A | ND |
| 2014-03-18 | C14-03-0115A | ND |
| 2014-03-18 | C14-03-0116A | ND |
| 2014-03-18 | C14-03-0117A | ND |
| 2014-03-18 | C14-03-0118A | ND |
| 2014-03-18 | C14-03-0119A | ND |
| 2014-03-18 | C14-03-0120A | ND |
| 2014-03-18 | C14-03-0112A | ND |
| 2015-07-20 | C15-07-0346A | ND |
| 2015-08-19 | 201508150137 | ND |
| 2015-11-18 | 201508150170 | ND |
| 2016-03-09 | ND | |
| 2016-04-04 | ND | |
| 2017-03-14 | ND | |
| 2017-03-14 | ND | |
| 2017-03-14 | ND | |
| 2017-03-14 | ND | |
| 2017-03-14 | ND | |
| 2017-03-14 | ND | |
| 2017-09-11 | ND | |
| 2017-09-11 | ND | |
| 2018-08-13 | 201808151089 | ND |
| 2018-11-27 | 201811300217 | ND |
| 2018-12-03 | C18-12-0009A | ND |
| 2018-12-03 | C18-12-0010A | ND |
| 2019-04-15 | C19-04-0100A | ND |
| 2019-09-09 | 201909100461 | ND |