Keystone Batteries is a superfund site located at 5054 Peabody Rd, Fairfield, CA 94533. The Environmental Protection Agency (EPA) identifies sites such as Keystone Batteries 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. Keystone Batteries 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.