1,1,1-Trichloroethane
Connecticut Water Company - Northern Reg-reservoir Heights
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.
0
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 | 0.0500 ppb | 16 | 1 | ND - 0.800 ppb |
| 2015 | 0.0563 ppb | 16 | 1 | ND - 0.900 ppb |
| 2016 | 0.206 ppb | 16 | 4 | ND - 0.900 ppb |
| 2017 | 0.0353 ppb | 17 | 1 | ND - 0.600 ppb |
| 2018 | ND | 17 | 0 | ND |
| 2019 | ND | 16 | 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 |
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