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UN1VAR USA INC. u n ivAR <br />CONTINGENCY PLAN <br />06/14/11 Replaces 03/10/10 <br />SECTION <br /> <br />SUBJECT PAGE 12 <br />FIVE <br /> <br />PRE-EMERGENCY PLANNING OF 15 <br />to any local emergency services agencies that you have called for assistance. <br />Examples of toxic gases are: <br />Anhydrous ammonia <br />Chlorine <br />LI Sulfur dioxide <br />Evacuation of surrounding areas must be done in conjunction with local emergency <br />services officials. Persons coming into contact with a toxic gas should be removed <br />to fresh air and given professional medical assistance as soon as possible. <br />2. Toxic Gases - Flammable <br />Flammable gases usually ignite immediately upon rupture of their container. This <br />can be good because the release is easily detectable and the toxicity of the gas is <br />significantly reduced. If a fire does not start immediately, the gas cloud may be <br />easily ignited and the entire cloud will rapidly combust. Examples of flammable toxic <br />gases are: <br />LI Hydrogen sulfide <br />LI Propane <br />LI Propylene <br />Fires from leaks in containers that cannot be shut off should be allowed to burn. The <br />container and any nearby containers should be kept cool while the flammable gas <br />burns itself out. There probably will be very little to decontaminate after an <br />emergency involving a flammable gas. The Emergency Coordinator should make <br />sure all traces of the gas have been removed from confined areas before allowing <br />clean-up crews to work in the area.