1,1,1-Trichloroethane
Cary
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.
17
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 8 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-07-22 | 4073837-02 | ND |
| 2014-07-22 | 4073837-03 | ND |
| 2014-07-22 | 4073837-04 | ND |
| 2014-07-22 | 4073837-05 | ND |
| 2014-07-22 | 4073837-06 | ND |
| 2014-07-22 | 4073837-07 | ND |
| 2014-07-22 | 4073837-08 | ND |
| 2014-07-22 | 4073837-01 | ND |
| 2017-07-25 | 7081264-01 | ND |
| 2017-07-25 | 7081264-08 | ND |
| 2017-07-25 | 7081264-07 | ND |
| 2017-07-25 | 7081264-06 | ND |
| 2017-07-25 | 7081264-04 | ND |
| 2017-07-25 | 7081264-03 | ND |
| 2017-07-25 | 7081264-02 | ND |
| 2017-08-30 | 7085545-01 | ND |
| 2018-12-11 | 18L0289-01_02 | ND |