A legal phrase for the effort to act in a reasonable or prudent way, given circumstances, with due regard to laws {Ans: Due diligence}Ch 4. 5.Explain the authority given to the incident safety officer by NFPA standards. {Ans: NFPA 1521 gives the ISO the authority to stop, alter, or terminate activities if an imminent threat exists.}Ch 7. 5. What is meant by the term "Black Fire?" {Ans: Describe smoke that is high volume, turbulent velocity, ultra dense, and deep black. Charring, heat damage to steel, content destruction, victim death. Over 1000F. No FF should be near it. Vent and Cool.}Discuss a troubling issue that may arise when ground firefighter interface with aircraft. {Ans: Firefighters may get "slimed" by aircraft dropping fire retardant.}What is the essential difference between an IDLH and no-entry zone? {Ans: In a no-entry zone nobody including}Ch 1. 6.Discuss Current firefighter injury and death trends and the need for incident safety officer response. {Ans: Average 105 firefighter fatalities a year, 1/3 on scene. In 2003: 50,000 injuries on the fire ground - 130 a day. Need ISO to bring those stats down}