---
title: "ERG for iOS — App Overview"
url: https://marlvel.ai/apps/gov-dot-phmsa-erg2
category: Reference
developer: Pipeline and Hazardous Materials Safety Administration
platforms: ios
rating: 4.8 (63 ratings)
pricing: free
report_level: overview
generated: 2026-04-22
last_verified: "2026-04-22T20:38:05.830Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a mobile, field-ready version of the official PHMSA Emergency Response Guidebook for rapid incident assessment.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Reference |
| Rating | 4.8 ★ (63) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 4.1.1 |
| Developer | Pipeline and Hazardous Materials Safety Administration |

<!-- SECTION: Summary -->
## What is ERG for iOS?

ERG for iOS is a digital reference tool developed by PHMSA that provides first responders with critical safety information during hazardous materials incidents. It enables users to quickly identify dangerous goods via ID numbers and placards to determine appropriate safety precautions. The app is available in English, French, and Spanish.

<!-- SECTION: Key Features -->
## Key Features

- **Dangerous Goods Index**: Provides an indexed list of hazardous materials searchable by ID number.
- **Hazard Identification**: Displays general hazards and safety precautions associated with specific materials.
- **Multilingual Support**: Offers full versions of the guidebook in English, French, and Spanish.

<!-- SECTION: Target Audience -->
## Who is it for?

First responders and emergency personnel managing hazardous materials transportation incidents.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/erg-for-ios/id1597142669?uo=2)
- [Full Intelligence Report](https://marlvel.ai/apps/gov-dot-phmsa-erg2)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/gov-dot-phmsa-erg2).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*