Blaster Exam - Sample No. 2 Progress Indicator: Question 1 of 20 1.  While taking explosives out of a Class A (ATF Type 1) magazine and placing it in your explosives truck to be taken underground for use during the shift, an electric storm approaches your site. You have 400 pounds of explosives on the truck and another 200 Choices: Hurry up and load the remaining 200 pounds of explosives and take the truck underground. Leave the area and secure the site to prevent entry of anyone until the storm has passed. Unload the explosives from the truck and place them back into the magazine until the storm has passed the area. None of the above