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VESE P IS <br />Contingency Plan <br />Section 5 — Effective Date Supersedes Page <br />Pre-Emergency Planning 9/20/2021 New 5-1 <br />a. Toxic Gases - Non-Flammable <br />Non-flammable gases can cause injury or asphyxiation of persons <br />entering the cloud. Tanks containing non-flammable gases can rupture <br />violently when exposed to intense fire conditions because the gas will <br />expand rapidly when heated. Always consult the SDS on the gas to <br />determine proper safety and control procedures. It is imperative when <br />dealing with a release of toxic gas that full protective equipment be worn <br />by spill control team members. Everyone else must be evacuated from <br />the immediate area (up-wind of the release). Spectators should be kept <br />as far away from the area as possible. Be sure to clearly communicate <br />the nature of the hazard to any local emergency services agencies that <br />you have called for assistance. Examples of toxic gases are: <br />Anhydrous ammonia <br />Chlorine <br />Sulfur dioxide <br />Evacuation of surrounding areas must be done in conjunction with <br />local emergency services officials. Persons coming into contact with <br />a toxic gas should be removed to fresh air and given professional <br />medical assistance as soon as possible. <br />b. Toxic Gases - Flammable <br />Flammable gases usually ignite immediately upon rupture of their <br />container. This can be good because the release is easily <br />detectable, and the toxicity of the gas is significantly reduced. If a fire <br />does not start immediately, the gas cloud may be easily ignited, and <br />the entire cloud will rapidly combust. Examples of flammable toxic <br />gases are: <br />Hydrogen sulfide <br />Propane <br />Propylene