This work covers chemical elements, alloys, and inorganic compounds having major commercial importance. Topics discussed and thoroughly updated from earlier information are the key commercial topics of sources and supplies (availability, pricing, imports, exports, and stockpiles); uses and market demand; manufacturing, production, and shipment; economic aspects; and recycling and disposal. Additional topics discussed include history, occurrence, properties, processing, grades, specifications and quality control, analytic methods, environmental concerns, and health and safety factors. Each article will also have an Introduction and a Bibliography.