Plain-English lessons on the hazmat skills behind every HAZWOPER course. Read them in any order, then test yourself with the matching quiz.
A section-by-section lesson on reading a GHS safety data sheet: hazard identification, pictograms, signal words, first aid, PPE, exposure limits, stability and spill response.
Lesson on the DOT Emergency Response Guidebook: the yellow, blue, orange and green sections, UN/NA numbers, placards, highlighted materials and isolation distances.
Plain-English toxicology for hazardous waste and hazmat workers: dose-response, LD50 and LC50, local and systemic effects, target organs, carcinogens, sensitizers and synergy.
How to choose a respirator under OSHA 1910.134: assigned protection factors, maximum use concentration, cartridges and filters, fit testing, seal checks and change schedules.
Why chemical protective clothing causes heat stress, the signs of heat exhaustion and heat stroke, work-rest cycles, hydration, acclimatization and physiological monitoring.
How HAZWOPER 1910.120(j) governs handling drums and containers: inspection, unlabeled drums, bulging and leaking drums, overpacks, opening, sampling, staging and buried drums.
Permit-required confined spaces under OSHA 1910.146 and 1926 Subpart AA on hazardous waste sites: definitions, atmospheric testing order, entrant, attendant and supervisor roles, and rescue.
Step-by-step hazardous chemical spill response: incidental vs emergency releases, protecting yourself, isolating the area, identifying the material, containment, spill kits and reporting to the National Response Center.
Careers that require HAZWOPER training: environmental technicians, remediation crews, emergency spill responders, TSDF operators, industrial cleaning and field scientists, plus how to get started.
A study plan for the HAZWOPER final exam: how to pace a self-paced course, active recall, practice quizzes, and a table of the key numbers every HAZWOPER student should know.
Free safety data sheet quiz with answers: the 16 SDS sections, GHS pictograms, signal words, where to find PPE, exposure limits, flash point and first aid.
Free Emergency Response Guidebook quiz with answers: yellow, blue, orange and green pages, highlighted materials, guide numbers, hazard classes and first actions at a hazmat incident.
Free toxicology quiz with answers: dose-response, LD50, routes of entry, local vs systemic effects, target organs, sensitizers, asphyxiants and synergistic effects.
Free respirator quiz with answers: assigned protection factors, maximum use concentration, APR vs SCBA, cartridge colors, fit testing frequency and user seal checks under OSHA 1910.134.
Free heat stress quiz with answers: heat exhaustion vs heat stroke, first aid, acclimatization, hydration, work-rest cycles and heart-rate and temperature monitoring in chemical protective clothing.
Free hazmat field safety quiz with answers: drum handling under 1910.120(j), permit-required confined spaces, atmospheric testing order, incidental vs emergency spills and reporting.