# FireHazmat > Offline ERG 2024 reference Canonical page: [https://chrome-stats.com/d/id6771111687](https://chrome-stats.com/d/id6771111687) ## Overview - **ID:** `id6771111687` - **Platform:** Apple - **Type:** Apple app - **Status:** Available - **Publisher:** Open Scaffold Labs LLC - **Category:** Reference - **Rating:** 5.00 / 5 (1 ratings) - **Version:** 1.0.2 - **Last updated:** 2026-09-04 - **First published:** 2026-06-29 - **Size:** 43 MB - **Data as of:** 2026-09-21 - **Store listing:** [Apple App Store](https://apps.apple.com/us/app/firehazmat/id6771111687) - **Website:** [https://firehazmat.openscaffoldlabs.com/](https://firehazmat.openscaffoldlabs.com/) - **Privacy policy:** [https://firehazmat.openscaffoldlabs.com/privacy](https://firehazmat.openscaffoldlabs.com/privacy) ## Description FireHazmat is the complete 2024 Emergency Response Guidebook for fire department command. 3,541 chemicals, 62 guides, Tables 1 and 3, evacuation map, and NIMS/ICS Incident Command Board — all on-device. No signal, no ads, no tracking. WHO IT'S FOR • Fire department command and chief officers • Hazmat teams and technicians • Industrial fire brigades, emergency management, and rail / pipeline incident commanders WHAT'S INSIDE • 3,541 hazardous materials searchable by name, UN/NA number, CAS number, synonym, or ERG guide number • 62 ERG response guides • ERG 2024 Table 1 protective action distances (272 materials) and Table 3 large-spill PADs • Live evacuation map — Isolation and Protective Action Zones from GPS, wind-aware downwind plume, live weather, Day / Night PAD toggle auto-set by sunrise / sunset • Visual placard identification grid for all 9 DOT hazard classes • Unknown-substance wizard — 11-step field triage returning PPE level, hazard class candidates, and field instruments • Per-chemical chemistry from NIOSH and PubChem — IDLH, flash point, boiling point, autoignition, vapor density, flammable range — alongside verbatim OSHA HCS and UN GHS hazard text, with critical hazards flagged red • CHEMTREC and National Response Center one-tap dial INCIDENT COMMAND BOARD (iPad and desktop) A digital NIMS/ICS hazmat tactical worksheet modeled on FIRESCOPE. • Active-incident timer with status transitions • Strategic Mode picker with breach detection if non-intervention is declared while a hot-zone crew is committed • Objective Priorities tracking in standard NIMS order • Full Command Staff roster • Department roster — preload personnel on this device via bulk paste or CSV / Excel import with column-mapping. IC taps a name onto a zone instead of typing during an incident • Five PPE selections — Levels A–D (EPA hazmat) plus Rescue Mode (turnout + SCBA for life rescue) with a "RESCUE IN PROGRESS" overlay • Hot Zone — entry + two backup teams, per-member SCBA tracking (60/45/30/20-min) with turnaround and over-time math • Warm Zone — decon level, corridor status, decon team, separate decon air limit • Cold Zone — staging area and mutual-aid agency tracking • Rehab tracking — send, clear, return to duty • PAR cycle with configurable interval, due / overdue alarms, one-tap acknowledge • One-tap HazMat benchmarks — Recon Complete, Product Identified, Isolation Established, Entry Made, Leak Controlled, Decon Operational, All Clear — timestamped to the log • Scene material linkage — drop a chemical onto the incident; TIH banner and isolation distances pull in automatically • Timestamped Activity Log with notes for after-action review • Archived incident history with PDF / JSON / CSV export — every reset incident is preserved on this device for exposure records and after-action review. Persists across app data updates. DATA SOURCES All data sourced from U.S. government and public-domain references: • ERG 2024 (PHMSA / DOT) — materials, response guides, isolation distances, Tables 1 and 3 • NIOSH Pocket Guide (CDC / NIOSH) — IDLH exposure values • 49 CFR (DOT) — hazard class and division definitions • PubChem (NIH / NLM) — physical properties and CAS numbers • OSHA HCS 29 CFR 1910.1200 App. C and UN GHS Rev. 9 Annex 3 — verbatim GHS hazard text NOT A REPLACEMENT FOR TRAINING FireHazmat is a reference tool. It does not replace formal hazmat training or consultation with on-scene IC, CHEMTREC, or your AHJ. Always verify recommendations against current ERG documentation and on-scene monitoring. PRIVACY No account, no ads, no analytics. On the Map, coordinates fetch live weather (Open-Meteo) and an address label (OpenStreetMap) — no identity attached. Policy: https://firehazmat.openscaffoldlabs.com/privacy. DEPARTMENT LICENSING Multi-iPad deployments with cross-device incident sync, cross-device roster sync, and encrypted cloud backup are available via department licensing — see firehazmat.openscaffoldlabs.com. ## Rankings - #861,499 — Overall ## Similar extensions and apps - [HazMat - ERG 2024 Guidebook](https://chrome-stats.com/d/id1486387187) — 4.60 / 5 - [HazSight](https://chrome-stats.com/d/id6776505844) - [J. J. 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