Download or read book State Implementation Plan Inspection of ASARCO Incorporated Hayden Smelter written by United States. Environmental Protection Agency. National Enforcement Investigation Center and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ASARCO Incorporated operates a custom smelter in Hayden, Arizona. An inspection to acquire data with which to evaluate the design and operations of existing particulate matter air pollution control equipment at the smelter was conducted by EPA personnel on January 29, 1976. Substantial amounts of process and control equipment information were requested of, and received from, ASARCO.