1 10 Keys Hazardous Reference Hazardous Energy Key Word Specific Sources (Look for additional) Biological Blood-Borne Pathogens, Diseases, insects, animals Chemical (Caustics, Acids, Toxic, Reactive, Flammable, Combustible, etc)" Liquids, solids, fumes, mists, vapors, organic and metal dusts. Electrical (AC, DC, Static) Power lines, outlets, electrical tools, equipment, lightning, static elect from material transfer hoses/piping. Gravity ( People, tools /equip, parts) Dropped objects, Slips, trips (same level), Open holes, unprotected elevated walking/working surfaces, stairs/ladders Equipment , Machinery , Tools Lathes, fans, gears, pulleys, drive-shafts, mobile equipment, reciprocating equipment, powered hand tools, and hand tools, sharp edges and surfaces, Muscular and Ergonomics Applied muscular force, body positioning, and tool use. Workstation design, Human-Machine interface, Noise Equipment, Machines, Environment, vibration, loose parts, power-tools, striking/pounding, Hammering Radiation Ionizing and Non-Ionizing Radiation (UV from welding and the Sun), Electro-Magnetic Radiation, Lasers. Stored Energy Hydraulic and Pneumatic Pressure, Vacuum, Springs (pushing and pulling direction), equipment/parts in a bind, Capacitors, projectiles/debris, High Pressure, low pressure with high volume Thermal Env . Conditions, Cryogenic Material, hot/cold surfaces, spark or open flames, friction induced heat and static.