1,1,1-Trichloroethane
Pamlico County Water
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.
10
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-10-17 | 37729_14-32317 | ND |
| 2015-11-12 | ND | |
| 2016-11-03 | 37729_16-38309 | ND |
| 2016-11-03 | 37729_16-38310 | ND |
| 2016-12-07 | 37729_16-42702 | ND |
| 2016-12-08 | 37729_16-42689 | ND |
| 2019-12-19 | 37729_19-54395 | ND |
| 2019-12-19 | 37729_19-54396 | ND |
| 2019-12-19 | 37729_19-54397 | ND |
| 2019-12-19 | 37729_19-54398 | ND |