Hazwoper 8 Hour Refresher Test Questions with 100% Correct Answers | Verified | Latest Update 2024

1. Which of the following is NOT a likely cause of a hazardous substance accident? A Broken or rusted pipes B Following standard operating procedures C Faulty valves or transfer hoses D Leaking tank ANS b 2. What is a hazardous substance? A Any substance defined under section 101(14) of CERCLA B Any biological agent and other disease-causing agent that could cause death, disease, behavioral abnormalities, cancer, genetic mutation, physiological malfunctions (including malfunctions in reproduction), or physical deforma- tions in exposed people or their offspring C Any substance listed by the U.S. Department of Transportation as a hazardous material under 49 CFR 172.101 and its appendices D Hazardous waste E All of the above ANS e 3. All hazardous substances are hazardous wastes. A True B False ANS b