[header] How to clean up broken compact fluorescent light bulbs [title] Do not vacuum up broken glass! [step] This will vaporize and distribute all the mercury that was in the light bulb creating a much bigger problem. [title] Ventilate the room before you start cleanup. [step] Make sure that the room is isolated (doors closed, heating/ac system turned off) from the rest of the structure. 
Open all windows and leave the room, do not track through breakage area. Let it air out for at least 15 minutes or longer.