2015 Coal First Aid Statements No. 5 Taken from the 2015 National Coal First Aid Contest Rules Progress Indicator: Question 8 of 20 8.  Which of the following is NOT something that needs to be answered when determining if an APR can be used at the incident? p. 387 Choices: What is the oxygen level? Is the hazard a vapor or a gas? What is the hazard? Is there a wind affecting the spread?