HAZWOPER Module 41-50 Quizzes Questions and Answers | Questions with 100% Correct Answers | Verified | Latest Update 2025/2026

HAZWOPER Module 41-50 Quizzes Questions and Answers | Questions with 100% Correct Answers | Verified | Latest Update 2025/2026 One should never enter a permit-requiring confined space without a safety attendant on duty and adequate air testing - True If the confined space has contained hazardous substances, it is important for the confined space to be ______ before entry - Emptied and purged Air in the confined space should be tested for _____ - Oxygen content, flammability, and toxicity What are the OSHA acceptable limits for oxygen in a confined space? - 19.5%-23.5% What must you have prior to entering a confined space? - Confined Space Entry PermitOther than a confined space entry permit, what else must you have prior to entry? - Communications Training _____ be provided for all personnel associated with a confined space entry - Must For rescue operations, the rescue line should pass a - 2,000 pound test If the meter reading is still above _____ of the LEL, the confined space must be cleaned before entry is permitted - 10% Two factors that can cause an atmosphere to b