# HazMat Scanner: ERG 2024 — Offline Placard ID & UN Guide > Offline Placard ID & UN Guide (iPhone/iPad app by Danloud Labs LLC.) - Source: https://appshunter.io/ios/app/hazmat-scanner-erg-2024/id6804674615 (this page in markdown: same URL + `.md`) - Developer: [Danloud Labs LLC](https://appshunter.io/developer/6792663107) - Category: Reference - Price: Free (on sale, was $14.99) - Age rating: 4+ - Requires: iOS 17.0 · 34 MB - Languages: American English - Released: 2026-08-28 - Data updated: 2026-10-01 - User reviews in markdown: https://appshunter.io/ios/app/hazmat-scanner-erg-2024/id6804674615/reviews.md ## What is HazMat Scanner? HazMat Scanner is the most advanced offline hazardous materials identification tool available for iOS. Powered by Apple Vision AI, it instantly recognizes UN identification numbers from DOT orange panels and hazard diamonds using your device camera — no internet required. REAL-TIME AI PLACARD SCANNER Point your camera at any hazardous materials placard, orange panel, or hazard diamond. HazMat Scanner uses on-device Apple Vision AI to detect and match 4-digit UN/NA numbers in real-time. Works in any lighting condition with flashlight support. You can also scan photos from your library. COMPLETE ERG 2024 DATABASE Access the full Emergency Response Guidebook 2024 database with 2,767 hazardous materials and 64 emergency response guides. Search by UN number, chemical name, or hazard class. Filter by Toxic Inhalation Hazard (TIH), Water-Reactive substances, and Chemical Warfare Agents. 30 OFFICIAL DOT PLACARDS Browse all 30 official DOT hazardous materials placards with high-resolution images, hazard class descriptions, and one-tap access to the corresponding emergency response guide. 9 ROAD & RAIL CONTAINER PROFILES Identify tanker trucks and rail cars by their silhouette. Includes MC-306, MC-307, MC-312, MC-331, MC-338 road tankers, tube trailers, and DOT-111, DOT-105, DOT-113 rail cars with visual identification characteristics, pressure ratings, and typical cargo. FULL ERG 2024 PDF VIEWER Read the complete 392-page official DOT Emergency Response Guidebook with built-in keyword search and page navigation. 24/7 EMERGENCY HOTLINES One-tap dialing to CHEMTREC (1-800-424-9300), the National Response Center (1-800-424-8802), and the CDC Emergency Operations Center. 100% OFFLINE — ZERO INTERNET REQUIRED Every feature works completely offline. The entire chemical database, all 64 emergency response guides, all placard images, and the full ERG 2024 PDF are stored locally on your device. No server connections, no subscriptions, no data collection. BUILT FOR PROFESSIONALS Designed for first responders, firefighters, hazmat technicians, law enforcement, EMS personnel, truck drivers, DOT inspectors, OSHA compliance officers, chemical plant workers, military hazmat teams, and anyone who encounters hazardous materials. PRIVACY FIRST HazMat Scanner collects zero personal data. No analytics, no tracking, no telemetry. Camera access is used exclusively for on-device scanning — no images are ever uploaded or transmitted. Your privacy is absolute. One purchase. No subscriptions. No ads. No in-app purchases. Just the most powerful hazmat reference tool in your pocket. ## Version history (last 3 releases) ### 1.2 — 2026-09-14 HazMat Scanner is now free to download. FREE TO TRY Start a 15-day free trial on first launch. No payment, no card, nothing to cancel. ERG GUIDES ARE FREE FOREVER The complete 392-page DOT Emergency Response Guidebook 2024 and all 64 emergency response guides stay available at no cost, permanently, whether or not you ever purchase anything. ONE-TIME UNLOCK After the trial, a single purchase unlocks the real-time Vision AI placard scanner, the full 2,767 chemical database with hazard filters, and all 30 official DOT placards and 9 tanker and railcar profiles. Lifetime access. No subscription and no renewal, ever. ALREADY PURCHASED HAZMAT SCANNER? Nothing changes for you. Your full access carries over permanently, at no additional cost. ALSO IN THIS RELEASE The tab bar now scrolls to keep your current tab visible on smaller screens. Still 100 percent offline: no account, no cloud, no analytics, no tracking. ### 1.1 — 2026-08-30 What's New in Version 1.1 iPad Support HazMat Scanner now runs natively on iPad. The entire interface has been optimized for larger screens with adaptive layouts that take full advantage of the iPad display in both portrait and landscape orientations. Adaptive Layouts - Placards grid displays 3 columns on iPad for a better overview of all 30 official DOT placards - Common Materials quick-access grid expands to 4 columns on iPad - Tab navigation bar fills the full screen width on iPad and in landscape mode - Hazard class filter buttons and toggle chips are larger on iPad for easier touch targets - Content is centered with an optimal reading width on iPad screens Landscape Mode Improvements - Completely redesigned layout engine for landscape orientation on all devices - Tab bar expands to fill the full width in landscape mode - Content starts at the top of the screen without wasted space - Safe area is handled automatically for Dynamic Island and all screen sizes About Screen Redesign - Removed navigation bar for a cleaner, full-screen experience - Sheet dismisses naturally with swipe down gesture - Improved spacing and layout in both portrait and landscape - Proper background rendering on all devices Splash Screen - Added dedicated iPad splash screen artwork optimized for the iPad display - iPhone and iPad each load their own splash screen automatically Smart Scrolling - Scanner tab no longer bounces or scrolls unnecessarily when all content fits on screen - Scrolling activates only when content exceeds the visible area General - Improved safe area handling across all views - Performance and layout optimizations throughout the app ### 1.0 — 2026-08-28 No release notes. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-01.*