Module 9: Control Techniques - International Association of Fire ...
Module 9: Control Techniques - International Association of Fire ...
Module 9: Control Techniques - International Association of Fire ...
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Student Text IAFF Training for Hazardous Materials: Technician©<br />
Pressure Cargo Tank Activity 4<br />
In small groups, read the incident information below and review the Westville map. Select one<br />
person to record the answers on the worksheet and report them to the class.<br />
Environmental Factors<br />
Incident Facts—Westville, USA<br />
Weather Report: Clear. Temperature 85°F., winds from the south, 6-8 miles per hour<br />
Proximity <strong>of</strong> the incident site to the nearest building: 200 feet<br />
Zoning: Heavy industrial/commercial<br />
Potential exposure area: 1400 hours, Wednesday<br />
Other considerations: Storm drain openings nearby<br />
Container<br />
Type: MC331 Transport Truck with 10,000 gallon capacity<br />
Condition <strong>of</strong> container: Internal liquid fill valve damaged and flowing 10 GPM <strong>of</strong> liquid propane<br />
Features <strong>of</strong> container: Single shell uninsulated pressure vessel<br />
Type <strong>of</strong> Flammable Gas Involved<br />
Propane (LPG)<br />
Properties: Heavier than air (VD = 1.52)<br />
Odorized gas<br />
Liquid outside container will drop to -44°F<br />
LPG is nontoxic but is an asphyxiant<br />
DOT Information: ID# 1075<br />
<strong>Module</strong> 9: <strong>Control</strong> <strong>Techniques</strong> 9-81
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