Guide presents key information and data in abbreviated tabular form for chemicals or substance groupings (e.g. cyanides, fluorides, manganese compounds) commonly found the work environment. Find information on chemical structures or formulas, exposure limits, chemical and physical properties, synonyms, respirator selections. Information contained in the pocket guide is based on NIOSH criteria documents, Current Intelligence Bulletins and recognized references. Spiral bound with laminated, wear-resistant cover; 454 pages