AI-POWERED · DOT PLACARD IDENTIFICATION

What's That
HAZMAT?

KNOW IN SECONDS. NOT MINUTES.

Point your camera at any diamond-shaped HAZMAT placard on a truck or rail car. Our AI identifies the hazard, explains the danger in plain English, and tells you exactly what to do.

1993
3
1479
5.1
1760
8
1017
2.3
1203
3
2910
7
1956
2.2

Three steps.
Instant answers.

No training required. No manual lookup. Just point, scan, and know.

📷
01
PHOTOGRAPH THE PLACARD

Use your camera or upload an existing photo. The app handles any angle, lighting condition, or image quality. Multiple placards in one image are detected automatically.

🧠
02
AI IDENTIFIES THE HAZARD

Our AI reads the diamond shape, color, symbol, UN number, and hazard class — then cross-references the DOT database to identify the exact material and danger level.

🚨
03
GET ACTIONABLE INFORMATION

Receive the hazard class, UN number, danger level, common examples of the material, and clear emergency response guidance — all in plain English, not technical jargon.

PRO
GO DEEPER WITH PRO

Pro users also get historic accident data, the full DOT Emergency Response Guidebook, nearby hospital and HAZMAT team locations, regulatory compliance info, and incident reporting.

Everything you need
at a HAZMAT scene.

Built for speed, accuracy, and reliability when it matters most.

🔍
INSTANT AI IDENTIFICATION

Photograph any DOT placard and get a complete identification in seconds — hazard class, UN number, material type, and danger level.

🚩
EMERGENCY RESPONSE GUIDANCE

Clear, plain-English instructions on what to do if there's an accident — evacuation distances, fire response, spill containment, and more.

📰
NEWS & REGULATORY UPDATES

Latest incidents and regulatory updates from DOT, OSHA, and EPA specific to each hazardous material you scan.

🛒
REQUIRED SUPPLIES & PPE

Know exactly what protective equipment and containment supplies are needed before you approach a hazmat scene.

💥
HISTORIC ACCIDENTS

Learn from past incidents — notable spills, disasters, and accidents involving each specific material with lessons learned.

PRO FEATURE
📍
NEARBY FACILITIES

Instantly locate the nearest hospitals, fire stations, and certified HAZMAT response teams from your current location.

PRO FEATURE
📘
FULL ERG DATA

Access the complete DOT Emergency Response Guidebook for every UN number — the same reference used by first responders nationwide.

PRO FEATURE
📋
REGULATORY COMPLIANCE

DOT, OSHA, and EPA requirements for transporting, storing, and handling each specific hazardous material.

PRO FEATURE
🕒
SCAN HISTORY

Every placard you've scanned saved with date, time, and thumbnail — a permanent log of every hazmat encounter.

PRO FEATURE

Built for professionals.
Accessible to everyone.

Whether you respond to HAZMAT incidents for a living or just want to know what's on the truck next to you — this app is for you.

FIRST RESPONDERS
Firefighters, Paramedics & Police

Arrive on scene with instant context before you approach. Know the hazard class, isolation distances, and emergency response protocol before you get out of the truck.

COMMERCIAL DRIVERS
Truck & Rail Operators

Understand every placard you haul and every vehicle sharing your road. DOT compliance reference at your fingertips, 24/7.

SAFETY PROFESSIONALS
HAZMAT Officers & Safety Teams

Quick reference for facility walkthroughs, incident documentation, training exercises, and regulatory compliance checks.

INVESTIGATORS
Insurance Adjusters & Inspectors

Accurately document hazardous materials at accident scenes. Generate professional incident reports with one tap.

STUDENTS & TRAINEES
Emergency Management Programs

Learn the DOT placard system visually and interactively. Perfect for emergency management, chemistry, and occupational safety coursework.

GENERAL PUBLIC
Curious Drivers & Bystanders

Ever driven past a tanker and wondered what's inside? Now you can know — and know what to do if something goes wrong.

Trusted by those
who need it most.

This is exactly what we've needed on the rig. No more flipping through the ERG book at 2am — point, scan, know what we're dealing with.

Captain M. Rodriguez Station 12 · Fire Department

I drive tankers across 12 states. This app gives me confidence that I actually understand what I'm hauling and what to do in an emergency.

T. Williams Commercial Tanker Driver · 18 years

We've added this to our required tools for all safety officers. The regulatory compliance feature alone is worth the Pro subscription.

Director of Safety Operations Chemical Manufacturing Facility

Simple, honest pricing.

Start free. Upgrade when you're ready. Lock in the introductory rate before it increases.

FREE
$0 forever
No credit card required
Scan & identify any HAZMAT placard
Hazard class, UN number & danger level
Plain-English explanations
Emergency response guidance
Latest news & regulatory updates
Required supplies & PPE list
20 sample placards for practice
TRY FREE →

Get in touch.

SUPPORT
whatsthathazmat@gmail.com

Questions, bug reports, or feedback. We respond within 24 hours.

WEB APP
hazmatreader.vercel.app

Try the full app in your browser right now — no download required.

DISCLAIMER
For Reference Only

Always call 911 in an emergency. Do not rely solely on this app for life-safety decisions.

⚠ FOR REFERENCE ONLY · ALWAYS CALL 911 IN AN EMERGENCY · DO NOT RELY SOLELY ON THIS APP FOR LIFE-SAFETY DECISIONS