Instructor-led discussion focused on Awareness-level hazmat identification and recognition. Officer selects focus. Topics that fit this sheet include: DOT placards and labels (1-9 hazard classes plus subclasses), UN/NA four-digit identification numbers and how they tie to ERG guides, NFPA 704 fixed-facility marking (blue / red / yellow / white quadrants and their meaning), HMIS labels in workplaces, container shape recognition (highway cargo tanks — MC-306/DOT-406 flammable liquid, MC-307/DOT-407 chemicals, MC-312/DOT-412 corrosive, MC-331 high-pressure gas, MC-338 cryogenic; rail tank cars — DOT-105 / 111 / 112 / 117; non-bulk drums, totes, IBCs, cylinders), pipeline markers (color coding and emergency contact), shipping papers (BOL, manifest, dangerous goods declaration, SDS), occupancy clues (warehouse types, ag chemicals — common in Peach County, propane / LPG distributors, gas stations, dry cleaners, pool supply), and senses-based clues (visual — vapor cloud, dead vegetation, fish kill; smell at safe distance only). Reference: DOT ERG 2024, NFPA 470 Ch. 4 (Awareness), NFPA 704, OSHA 1910.1200. Document specific topic covered.