United Technologies Corp Chem Sys Div is a superfund site located at 1050 E Arques Ave, Sunnyvale, CA 94086. The Environmental Protection Agency (EPA) identifies sites such as United Technologies Corp Chem Sys Div because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. United Technologies Corp Chem Sys Div is currently registered as an Archived superfund site by the EPA and does not require any clean up action or further investigation at this time.