Reference Menu Sources of safety information (Libraries, Internet resources, MSDS, OEHS resources, Exposure limits and guideline references) Table of material hazards and protection Chemical Hazard Class Description of hazards Recommended PPE Special handling and use requirements Corrosives x x x Reactives x x x Flammable x x x Gas cylinders x   x Toxic x x x Particularly toxic or regulated     x Misc, Physical hazards   x