# HAZWOPER Reference: HazMat Pro — OSHA 10 / 30, ERG, SDS / MSDS

> OSHA 10 / 30, ERG, SDS / MSDS (iPhone/iPad app by Raymond Rothwell.)

- Source: https://appshunter.io/ios/app/hazwoper-reference-hazmat-pro/id6801628061 (this page in markdown: same URL + `.md`)
- Developer: [Raymond Rothwell](https://appshunter.io/developer/1848273847)
- Category: Reference, Education
- Price: $3.99
- Age rating: 4+
- Requires: iOS 15.0 · 20 MB
- Languages: American English
- Released: 2026-08-20
- Data updated: 2026-09-05
- User reviews in markdown: https://appshunter.io/ios/app/hazwoper-reference-hazmat-pro/id6801628061/reviews.md

## What is HAZWOPER Reference?

Identify any placard, UN number, or ERG guide in seconds with the ultimate roadside, dock, and emergency response field utility.

Whether you're hauling freight, working loading docks, or arriving on scene, get instant DOT hazard classifications, voice-enabled search, response guidelines, and scenario-based endorsement prep right in your pocket.

One-time purchase. No subscriptions. No ads. Works 100% offline with zero cell service required.

HOW QUICK LOOKUP WORKS (SEARCH → IDENTIFY → RESPOND)

- Search Your Way: Type or speak any UN number, proper shipping name, or DOT placard class.
- Instant Guide Match: Get immediate ERG guide numbers, packing groups, and core hazard classifications.
- Take Action: Review evacuation zones, required PPE levels, and critical "what-not-to-do" handling notes.

WHO IT’S FOR

- CDL drivers hauling hazardous materials and drivers preparing for the Hazmat Endorsement
- Loading dock workers, freight handlers, and warehouse logistics teams
- First responders, safety officers, and tow operators needing instant scene verification
- Transport managers verifying shipping papers, Table 1/2 rules, and placarding thresholds

WHAT YOU GET

- Complete DOT & GHS Identification: View all 9 DOT hazard classes, divisions with authentic placard art, and all 9 GHS pictograms.
- Voice-Enabled Fast Lookup: Hold and speak a UN number or material name when your hands are full on the dock or in the cab.
- Comprehensive Scene Reference: Fast access to hot/warm/cold response zones, EPA PPE levels A through D, and 16 SDS sections.
- Placarding & Compliance Rules: Clear breakdowns of Table 1 vs. Table 2 requirements and the 1,001 lb aggregate rule.
- Scenario-Based Practice Quizzes: Test your applied knowledge on placards and UN numbers—engineered specifically for CDL hazmat endorsement prep.
- Favorites & Fast Access: Star your most frequently handled materials for instant one-tap reference.

ACCURACY & VERIFICATION

Placard and UN number data is verified against the ERG2024 and 49 CFR §172.101, complete with verification dates displayed in Settings. Spot an issue? Submit a misclassification report directly from the app for rapid updates.

FAQ

Do I need cell service to use the app?
No. The entire reference database, guide lookup, and quizzes live locally on your device. It works 100% offline in warehouses, basements, and rural dead zones.

Are there any recurring subscriptions or paywalls?
No. One purchase unlocks the complete database and all future data updates for life.

Is this an official government app?
No. Hazmat Pro is an independent reference and training tool. In an actual emergency, response decisions are governed by official Emergency Response Guidebook documentation, agency SOPs, and CHEMTREC (1-800-424-9300).

Know what you're approaching before you get close. Download Hazmat Pro and master your hazmat reference today.

NOTE: HazMat Pro is a reference and training aid. In an actual emergency, the current official Emergency Response Guidebook, your agency's SOPs, and CHEMTREC (1-800-424-9300) govern response decisions.


## Version history (last 3 releases)

### 1.0.2 — 2026-09-03

Improvements to the App Store experience

### 1.0.1 — 2026-08-26

Improvements to the App Store experience

### 1.0 — 2026-08-21

No release notes.

## More apps by Raymond Rothwell

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- [Build Confidence Daily: Social](https://appshunter.io/ios/app/build-confidence-daily-social/id6758882035)
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- [Social Battery: Introvert App](https://appshunter.io/ios/app/social-battery-introvert-app/id6759211267)
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- [Ember: Rant and Burn Journal](https://appshunter.io/ios/app/ember-rant-and-burn-journal/id6760608451)

All apps by Raymond Rothwell: https://appshunter.io/developer/1848273847

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*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 2026-09-05.*