1,1,1-Trichloroethane
City of Winston-Salem
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 | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-02-03 | 8881-020314-EP2V | ND |
| 2014-02-03 | 8881-020314-EP3V | ND |
| 2014-02-03 | 8881-020314-EP1V | ND |
| 2015-02-02 | ND | |
| 2015-02-02 | ND | |
| 2015-02-02 | ND | |
| 2016-02-22 | 8881-022216-EP1V | ND |
| 2016-02-22 | 8881-022216-EP2V | ND |
| 2016-02-22 | 8881-022216-EP3V | ND |
| 2017-02-06 | 8881-020617-EP1V | ND |
| 2017-02-06 | 8881-020617-EP3V | ND |
| 2017-02-06 | 8881-020617-EP2V | ND |
| 2018-02-19 | 8881-021918-EP1V | ND |
| 2018-02-19 | 8881-021918-EP2V | ND |
| 2018-02-19 | 8881-021918-EP3V | ND |
| 2019-02-04 | 8881-020419-EP1V | ND |
| 2019-02-04 | 8881-020419-EP2V | ND |
| 2019-02-04 | 8881-020419-EP3V | ND |