1,1,1-Trichloroethane
Rimrock Road Neighborhood
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 | 1 | 0 | ND |
2015 | 0.00778 ppb | 36 | 1 | ND - 0.280 ppb |
2016 | ND | 21 | 0 | ND |
2017 | ND | 43 | 0 | ND |
2018 | 0.00909 ppb | 33 | 3 | ND - 0.1000 ppb |
2019 | ND | 25 | 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 |
---|---|---|
2014-08-07 | 150039001 | ND |