1,1,1-Trichloroethane
Parkton, Town of
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
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 |
---|---|---|
2014-09-16 | DW21704_L722277- | ND |
2014-09-16 | DW21704_L722277- | ND |
2016-12-20 | 37729_16-44480 | ND |
2016-12-20 | 37729_16-44481 | ND |
2017-12-12 | DW21704_L957234- | ND |
2018-12-13 | 37729_18-52200 | ND |
2019-04-10 | 37729_19-14914 | ND |
2019-04-10 | 37729_19-14915 | ND |
2019-08-12 | 37729_19-34459 | ND |
2019-11-13 | 37729_19-48933 | ND |