1,1,1-Trichloroethane is an organic liquid with a chloroform-like odor. It is largely used as a solvent removing grease from machined metal products, in textile processing and dyeing and in aerosols. The major source of 1,1,1-trichloroethane in drinking water is discharge from metal degreasing and other factories.
Some people who drink water containing 1,1,1-trichloroethane well in excess of the maximum contaminant level (MCL) for many years could experience problems with their liver, nervous system, or circulatory system.
MCL ADVISORY - ACTION IS HIGHLY RECOMMENDED
1,1,1-Trichloroethane levels were detected in your water sample to exceed the maximum contaminant level (MCL).
ACTION IS OPTIONAL
1,1,1-Trichloroethane levels were detected in your water sample but do not exceed the maximum contaminant level.
- USEPA - Water: Basic Information about Regulated Drinking Water Contaminants - Basic Information about 1,1,1-Trichloroethane in Drinking Water
- ATSDR - Toxic Substances Portal - 1,1,1-Trichloroethane
- Ohio Department of Health - Private Water Systems Program - Water Quality - Organic Contaminants
- ATSDR ToxFAQs Fact Sheet - 1,1,1-Trichloroethane