The LD50 for a solid or liquid in a measure of toxicity for what tests? Aquatic tondcity to fish or daphnia O Respiratory exposure Explosive limit for an unstable chemical substance Skin contact and ingestion QUESTION 2 A Hazardous Waste Operations and Emergency Response (HAZWOPER) standard addresses which of the following? Process safety and management of toxic chemicals Regulatory compliance, annual reports, employee training Emergency action plan related to spill prevention, planning, and response Employee exposure to chemicals, personal protective equipment (PPE), engineering controls to miniela chutnical exposure QUESTION 3 Operational readiness requires plans to be tested and evaluated. Which of the following apples? Only full-scale exercises should be used to validate operational readiness Small group and tabletop exercises should not be part of the official training program Workers are knowledgeable and know how to respond to a chemical spill, safety equipment is inspected and dedared table, and keys are readily available to retrieve high priced instruments in tocked cabinets The initial incident commander should be someone from senior management Employees at the level of lab technician or part time security guard should not bo allowed to assume a leadership role in the initial phases of an incident The plan should only consider normal business hours. It is not required to cover a 24-hour 7.day schedule a