NIOSH Pocket Guide & ERG 2024

NIOSH exposure limits and ERG 2024 orange guides in one offline app. Search by name, CAS or UN number on iPhone and iPad.

The NIOSH Pocket Guide to Chemical Hazards and the Emergency Response Guidebook (ERG 2024) in one app, on your iPhone and iPad, with no signal needed.

Search a chemical by name, synonym, CAS number or UN number and get the facts you need on scene or on the job.

NIOSH POCKET GUIDE • 677 chemicals: NIOSH REL, OSHA PEL and IDLH exposure limits • Physical and chemical properties, incompatibilities and reactivities • Measurement methods, personal protection and respirator recommendations • Exposure routes, symptoms, target organs and first aid • Introduction, protection codes, first aid codes and appendices

ERG 2024 • Yellow and blue sections: look up a material by UN number or name • All orange guides: potential hazards, public safety, protective clothing, evacuation, fire, spill or leak and first aid • Table 1 initial isolation and protective action distances, Table 2 water-reactive materials, Table 3 large spills of common TIH gases • Placards, rail car and road trailer identification charts, protective clothing, decontamination, BLEVE and lithium battery fire pages • 24-hour emergency response telephone numbers, ready to call

LINKED TOGETHER • Jump from a NIOSH chemical to its ERG 2024 guide by UN number, and back • Exposure limits converted between ppm and mg/m³ with the chemical's own NIOSH factor • Search inside the guides and reference pages, not only the indexes

BUILT FOR THE FIELD • Works fully offline once installed • Favorites and recent history • Dark mode for night calls and adjustable reading text size • Each card shows its source and edition

For firefighters, hazmat teams, EMS, law enforcement, safety officers and industrial hygienists.

Content is taken word for word from the public NIOSH Pocket Guide and ERG 2024. This app is not affiliated with or endorsed by NIOSH, CDC, OSHA, the U.S. Department of Transportation or Transport Canada. Always follow your agency's procedures and the official publications.

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