Safety Data Sheet & Hazard Classes | Exam Q&A (40+ Questions) – SDS Sections, Hazard Material Classes 1–9

This document contains over 40 clearly formatted and verified exam questions and answers for the 2025/2026 academic year, focused on Safety Data Sheets (SDS) and hazardous material classification systems. It covers all nine official U.S. DOT hazardous material classes in detail—from Class 1 (Explosives) to Class 9 (Miscellaneous hazardous materials)—along with the types of substances they include, such as flammable liquids, oxidizers, radioactive materials, poisons, and corrosives. Additionally, the document provides a comprehensive breakdown of all 16 sections of the Safety Data Sheet as standardized by OSHA, including identification, hazard identification, composition, first aid, fire-fighting measures, handling and storage, exposure controls, toxicological and ecological information, disposal, transport, and regulatory sections. This study resource is ideal for students in chemistry, environmental science, occupational health and safety, lab technology, hazardous materials training, and any course requiring regulatory compliance and workplace safety knowledge. It is especially useful for certification prep such as HAZWOPER, OSHA 30, and related safety exams. Keywords: safety data sheet, sds sections, hazardous materials, hazmat classes, class 1 explosives, class 2 gases, class 3 flammable liquids, class 4 dangerous when wet, class 5 oxidizers, class 6 poisons, class 7 radioactive, class 8 corrosives, class 9 miscellaneous, osha, sds exam, chemical safety, fire safety, toxicity, emergency response, transport information