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UNIVAR USA INC. univAR <br />CONTINGENCY PLAN <br />06/14/11 Replaces 03/10/10 <br />SECTION <br /> <br />SUBJECT PAGE 8 <br />FIVE <br /> <br />PRE-EMERGENCY PLANNING OF 15 <br />4. Oxidizers: <br />Oxidizers yield oxygen readily to stimulate burning of combustible materials. If <br />spilled, they should be kept from contacting flammable liquids and other combustible <br />materials. Oxidizers contain available oxygen and when heated or shocked, can <br />decompose with explosive force. If any of these materials are involved in a fire <br />or a large spill, personnel should be evacuated from the scene. <br />Examples include: <br />III Ammonium nitrate <br />Calcium hypochlorite <br />LII Hydrogen peroxide <br />LII Potassium permanganate <br />El Sodium nitrate <br />0 Sodium nitrite <br />Some oxidizers, such as hydrogen peroxide, will eventually decompose becoming, <br />essentially, harmless compounds. Others do not, and though they may look inert <br />and harmless, may still be dangerous if not cleaned-up and handled properly. <br />In the event of a spill, try and contain the material with a dike made of sand or inert <br />sorbent to keep the oxidizer from coming into contact with any combustible material. <br />After the oxidizer has finished decomposing, it may be collected and put into <br />recovery drums. <br />Personnel coming into contact with an oxidizing material should be flushed with <br />massive amounts of water and obtain medical assistance as soon as possible.