Module 9: Control Techniques - International Association of Fire ...

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IAFF Training for Hazardous Materials: Technician© Student Text product can often be moved so the breach is in the vapor space. • Protect against fire. Whenever working with or near flammable products, have charged lines of adequate caliber and an established water supply. Based on the degree of hazard, consider having charged foam lines. • Stay alert. In the heat of the moment, responders sometimes develop tunnel vision. A single minded focus on a leak may blind you to other hazards such as a hole just in front of you, or a low bridge ahead. Force yourself to step back and survey the entire scene and carefully note changing conditions. Activity 9-14 Module 9: Control Techniques
Student Text IAFF Training for Hazardous Materials: Technician© Confinement vs. Containment Confinement and containment are sometimes used interchangeably, but there is a difference. Confinement refers to actions taken to keep a material in a defined or local area. Containment refers to actions taken to keep a material in its container. Confinement Confinement is the process of limiting a product spill (an air release, solid or liquid) to the smallest possible area. Confinement can often take place away from the actual product itself, and therefore is defensive. Well equipped, well trained operational personnel (first responders as well as hazardous material technicians) should be capable of a variety of confinement activities. Always consider confinement techniques before you attempt containment. General Confinement Techniques Solids are perhaps the easiest products to confine. With the possible exception of dusts, they usually remain where they fall. Site control is one confinement technique. You can also lay plastic sheeting or tarps over the spill to keep wind and rain from dispersing the product. Liquids present more challenges to responders. Liquids spread, based on terrain and viscosity. They can also be absorbed into surfaces. Module 9: Control Techniques 9-15
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Module 9: Control Techniques - International Association of Fire ...

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