40 Hour OSHA HAZWOPER Practice Questions and 100% Questions and Answers

What is a negative pressure test? You cover the inlet valves with your palm of your hands. Then you inhale and see if the respirator collapses. What is a positive pressure test? You place your hand over the exhale valve. Then you exhale and see if your seal is broken. What is the buddy system? A system of organizing employees into work groups in such a manner that each employee of the work group is designated to be observed by at least one other employee in the work group. The purpose of the buddy system is to provide rapid assistance to employees in an emergency event. What does the acronym LEL stands for? Lower Explosive Limit What are the work zones in a spill site? Hot Zone-Spill material Warm Zone-Deconn Cold Zone-Supportive Zone What are the EPA levels of protection? A-SCBA & fully encapsulating suit B-SCBA & non-encapsulating suit C-APR & non-encapsulating suit D-Work wear What are the OSHA limits of oxygen? The OSHA Limits for oxygen is 19.5%-23.5% What is the percent of oxygen in the atmosphere? 20.9% of oxygen 78.9% of nitrogen