---
title: "oCFR — App Overview"
url: https://marlvel.ai/apps/ocfr
category: Reference
developer: Pipeline and Hazardous Materials Safety Administration
platforms: ios, android
rating: 2.8 (17 ratings)
pricing: free
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T08:24:25.170Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app functions as an official, free-to-access mobile reference for federal safety compliance standards regarding hazardous materials and pipeline infrastructure.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Reference |
| Rating | 2.8 ★ (17) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 3.8 |
| Latest Version (Android) | 3.8.1 |
| Developer | Pipeline and Hazardous Materials Safety Administration |

<!-- SECTION: Summary -->
## What is oCFR?

oCFR is a reference tool developed by the U.S. DOT PHMSA that provides digital access to federal safety regulations for hazardous materials and pipeline operations. It serves as a centralized repository for 49 CFR parts 100-180 and 190-199, ensuring industry professionals have mobile access to compliance standards. The app is notable for being the official government-provided source for these critical safety mandates.

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

- **Hazardous Materials Regulations (HMR) Access**: Provides digital access to 49 CFR parts 100-180 covering the classification, handling, and packaging of hazardous materials.
- **Pipeline Safety Regulations**: Includes 49 CFR parts 190-199, detailing federal safety standards for pipeline and LNG facility design, construction, and maintenance.
- **Multi-Modal Transport Guidance**: Offers regulatory information specific to the transportation of hazardous materials via highway, rail, aircraft, and vessel.
- **Spill Response Planning**: Provides access to federal requirements regarding spill response planning for natural gas and hazardous liquid transportation.

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

Industry professionals involved in the transportation, packaging, and handling of hazardous materials, as well as operators of pipeline and LNG facilities.

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

- [App Store](https://apps.apple.com/us/app/ocfr/id1228220888?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=gov.dot.phmsa.ocfr&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/apps/ocfr)

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