The NIOSH Pocket Guide to Chemical Hazards presents key information and data in abbreviated tabular form for chemicals or substance groupings (e.g. cyanides, fluorides, manganese compounds) commonly found in the work environment. With this handy book you'll find information on chemical structures or formulas, exposure limits, chemical and physical properties, synonyms, respirator selections, signs and symptoms of exposure, etc... for 677 chemicals regulated at the federal level. The information contained in the pocket guide is based on NIOSH criteria documents, Current Intelligence Bulletins and recognized references.