Calmac Chemical is a superfund site located at End Of Weeks St, East Palo Alto, CA 94303. The Environmental Protection Agency (EPA) identifies sites such as Calmac Chemical 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. Calmac Chemical 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.