Rice University Chemical Hygiene Plan 2010 p F IRE E XTINGUISHERS N OVEMBER 8, 2011
R ATINGS B B C C D D Ordinary Combustibles Flammable Liquids Electrical Equipment Combustible Metals
T YPES Dry Chemical: multipurpose use Halon: often used in electrical fires Carbon dioxide: most effective on liquid and electrical fires Water: only used for ordinary combustible fires
5 CO 2 extinguishers in each lab 2 Class D extinguishers on the 2 nd floor 1 Class D extinguisher on the 3 rd floor O UR E XTINGUISHERS D D
T HINK P-A-S-S Pull the pin Aim at the base of the fire Squeeze the handle Sweep the hose back and forth