Fire Fighter Tools and Equipment No. 2 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 2 of 15 2.  Up to what amount of time is the exposure period for the emergency Response Planning Guideline Level 2? p. 517 Choices: 1 hour 2 hours 1 1/2 hours 2 1/2 hours