An area where decontamination takes place and includes a safe refuge area for contaminated victims and responders who have left (or who have rapidly escaped) the IDLH zone {Ans: Contamination reduction zone}Ch 6. 4.Explain the effects of fire on steel structural elements. {Ans: Cold drawn steel loses 55% at 800F Extruded steel loses 50% at 1100F At 1000F steel elongates 10 inches}Ch 4. 3.List four examples of when automatic ISO delegation should take place. {Ans: 1. Working incident 2. Growing span of control 3. Mutual aid incidents 4. Firefighter down/missing/trapped}Ch 9. 10.What are the four considerations that need to be evaluated when considering weather as a hazardous energy. {Ans: Wind Humidity Temperature Potential for Change/Storms}What do jet fuel, burnt plastics, and composite metals have in common at an aircraft incident? {Ans: respiratory irritants/toxic}Ch 7. 7.List the three steps of the reading smoke process. {Ans: 1. View the Volume: velocity, density, color of smoke - compare from where smoke is emitting, indicates fire size, location, spread potential. 2. Analyze the contributing factors: affect volume, velocity, density, color - should refine and or confirm your read. 3. Rate of change of each attribute: measured in seconds,