# Hazmat Guide — The ERG 2020 in your pocket

> The ERG 2020 in your pocket (iPhone/iPad app by OpsCentral.)

- Source: https://appshunter.io/ios/app/hazmat-guide/id1572547030 (this page in markdown: same URL + `.md`)
- Developer: [OpsCentral](https://appshunter.io/developer/1572547032)
- Category: Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 19 MB
- Languages: American English
- Released: 2021-11-03
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/hazmat-guide/id1572547030/reviews.md

## What is Hazmat Guide?

Hazmat Guide is a quick reference and educational tool for everyone involved with the regular handling and storage or incident response of hazardous materials.

Search for a material and get quick access to the relevant guide.
Follow the flowchart to identify placards, railcars and road trailers.

Data from the June 2020 Emergency Response Guidebook (ERG) issued by the U.S. Department of Transportation & Transport Canada.


## Version history (last 1 release)

### 0.1 — 2021-11-03

No release notes.

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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 2026-06-10.*