Guides to pollution prevention : the fabricated Metal products in dustry. - Cincinnati, Ohio : Center for Environmental Research Information, 1990. - v, 76 p. ; 28 cm. EPA/625/7-90/006" July 1990 Includes bibliographical references. Subjects--Topical Terms: Metal trade -- Environmental aspects. Gov. Doc. Class. No.: G.US/EPA/RD (02) 1990/12