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UNIVAR USA INC. unrvAR <br />CONTINGENCY PLAN <br />06/14/11 Replaces 0 3/10/10 <br />SECTION <br />SUBJECT PAGE 11 <br />SIX <br />EMERGENCY PROCEDURES OF 22 <br />4. The Emergency Coordinator must assess the various hazards a release of <br />toxic gases creates and decide how to minimize the risk presented by each <br />one. Consideration must be given to: <br />Release of a highly irritating or toxic gas and the possibility of the need <br />to evacuate surrounding areas - which way is the wind blowing? <br />Potential for fire or explosions if the released gas is flammable. <br />The effect of irritating or obnoxious vapors if the released gas has <br />moderately toxic properties. <br />The release of other hazardous materials from nearby containers if a <br />fire is started, and the potential for incompatible materials to <br />commingle and react. <br />The potential for the released gas to contaminate surface waters and <br />soils, or for gases to contaminate groundwater/drinking water sources. <br />Residues which may need to be contained and dealt with as <br />hazardous materials or hazardous waste. <br />5. If safe to do so, the Emergency Coordinator must take the necessary <br />measures to attempt to contain and control the release. These measures <br />include: <br />Determine the chemical and physical properties of the gas that has <br />been released. <br />Stopping or reducing the source of the release. <br />Controlling ignition sources. <br />Removing other as yet unaffected hazardous materials from the area. <br />Shutting down operations, and protecting those areas and items that <br />cannot be moved to safety and that could become dangerous if the <br />release spreads there. <br />Assess the ability of Spill Control Teams to safely contain and isolate <br />the released gas, considering the properties of the gas, the clean up <br />equipment available, and the size of the release.