Hazmat Acronyms
ERG Page Colors
NFPA Placard 704
9 Major Hazard Classes
100

Equipment is part of which acronym.

P - Personal

P - Protective

E - Equipment

100

Lists hazardous materials by their 4-digit UN/NA ID number, directing you to the corresponding Orange Guide.

Yellow Pages (Numerical Index)

100

Potential for injury by inhalation, skin contact, etc.

Blue (Health)

100

Radioactive materials part of which class

Class 7

200

Containment/Control part of which acronym.

P – Protective Equipment

C – Containment/Control

P – Protective Actions

200

The core of the ERG, these guides provide general safety, first aid, firefighting, and spill/leak control info for different hazard types.

Orange Pages (Response Guides)

200

 Ability to release energy, react violently, or detonate.

Yellow (Instability)

200

Explosives part of which class.

Class 1

300

Action Plans is part of which acronym.

C – Command

I – Identification

A –Action Plans

300

Details initial isolation and protective action distances for specific toxic-by-inhalation (TIH) materials in spills, directing users to Table 1 or Table 2. 

Green Pages (Isolation/Evacuation)

300

Susceptibility to burning, materials that vaporize easily or are readily dispersed.

Red (Flammability):

300

Oxidizers Organic Peroxide are part of which class

Class 5

400

Decon is part of which acronym.

D – Decon

D – Disposal

D– Documentation

400

Lists hazardous materials alphabetically by name, also linking to the appropriate Orange Guide

Blue Pages (Alphabetical Index)

400

Unique hazards, such as:

OX: Oxidizer (e.g., ammonium nitrate).

SA: Simple asphyxiant gas (e.g., neon). 

White (Special Hazards)

400

Corrosives are part of which class

Class 8 

500

Isolation/Deny Entry is part of which acronym.

S – Safety

I – Isolation/Deny Entry

N – Notifications

500

Contains introductory information, safety instructions, emergency contact numbers, and guidance on using the book.

White Pages (Introduction/Guidance)

500

The letter W inside the white diamond represents what?

Water reactive (dangerous with water)

500

Miscellaneous Hazard Material are part of which class

Class 9