An unrivaled library of information for the chemical industry. The Fourth Edition will be completely revised and will include many new subjects reflecting the growth and changes in chemical technology through the 1990's. It will consist of 27 volumes which will be issued at the rate of approximately four volumes per year. In addition to updating traditional subjects, the new edition will include expanded coverage of biotechnology, materials science, computer technology, energy sources and conversion techniques, and environmental issues such as pollution control, toxicology, and recycling technology. The Fourth Edition will bring together over 1000 articles by recognized experts in their areas of chemical technology, and will deal with industrial products, natural materials, and processes in such fields as: agricultural chemicals, chemical engineering, coatings and inks, composite materials, cosmetics and pharmaceuticals, dyes, pigments and brighteners, ecology and industrial hygiene, energy conservation and technology, fats and waxes, fermentation and enzyme technology, fibers, textiles and leather, food and animal nutrition, fossil fuels and derivatives, glass, ceramics and cement, industrial inorganic chemicals, industrial organic chemicals, metals, metallurgy and metal alloys, plastics and elastomers, semiconductors and electronic materials, surfactants, detergents and emulsion technology, water supply, purification and reuse, wood, paper, and industrial carbohydrates. Also includes miscellaneous topics: instrumentation and quality control, information retrieval, maintenance, market research, material allocation and supply, legal issues, process development and design, product development and technical service, research and operations management (systems management, networks, etc.), and transportation of chemical products.