What is the blue section of the Emergency Response Guidebook
Rachel Hickman
Published Mar 28, 2026
BLUE: The blue pages list chemicals alphabetically by their name. From this listing you can determine each chemical’s ID number and the Guide number. When using the app, you simply enter the chemical name into the Search by Name or UN field. ORANGE: The orange pages are called the Guides.
What is the blue section?
Blue Section The third section, with blue page borders, references the material in alphabetical order of its name and identifies the appropriate guide number to reference in the Orange Section). Items highlighted in green in this section will also have evacuation distances included in the Green Section.
What are the colored sections of the ERG?
Basics of the ERG Then, the Guidebook is divided into four color-coded sections: yellow, blue, orange and green. The yellow-bordered pages index the list of dangerous goods in numerical order of 4-digit ID numbers.
What do the colors mean in the ERG?
The ERG is organized into easily recognized colors. WHITE – Introduction, instruction, guidance, placards, and more. YELLOW – Materials ordered by 4-Digit UN/NA Number. BLUE – Materials ordered by dangerous goods material name.What three pieces of information does the ERG orange section provide?
4) The Orange section of the NAERG Guidebook provides information on health, fire and explosion hazards and a guide for emergency action.
What color border pages of the Emergency Response Guidebook identifies Table 1?
“Table 1 – Initial Isolation and Protective Action Distances” pages are bordered in green for quick access.
What does the blue diamond on the NFPA 704 symbol indicate?
The National Fire Association (NFPA) has developed a color-coded number system called NFPA 704. The system uses a color-coded diamond with four quadrants in which numbers are used in the upper three quadrants to signal the degree of health hazard (blue), flammability hazard (red), and reactivity hazard (yellow).
What color placard represents an oxidizing material?
Hazard Class 5 Placards 1/Yellow: Oxidizer.Which color pages in the Emergency Response Guidebook ERG uses the chemical's name to organize the list in alphabetical order?
- Color-Coded Sections.
- Yellow – If you find yourself saying, “I only know the 4-digit UN number for this material,” then the yellow section will help you with your response. …
- Blue – The blue section lists chemicals by name in alphabetical order.
The yellow section shows, in numerical order, the four-digit UN ID number assigned to each hazardous material. By looking up the UN ID number, you can find the appropriate guide number and name of the hazardous material.
Article first time published onWhat do placards tell first responders?
Placards warn the people of the presence of hazards while they’re driving or near large quantities of hazmat being transported. They inform emergency responders – if shipping papers aren’t available at the scene of an accident, a placard may be the only way responders know what materials are involved in the accident.
What class is UN 1993?
UN NumberClassProper Shipping NameUN 19923Flammable liquids, toxic, n.o.s.UN 19933Flammable liquids, n.o.s.UN 19946.1Iron pentacarbonylUN 1995?Propane
What is the ERG Guide number 111?
The Pipeline and Hazardous Materials Safety Administration (PHMSA) operates in a dynamic and challenging environment.
What does the blue diamond represent on an NFPA container label?
The blue diamond, appearing on the left side of the label, conveys Health Hazard information for persons exposed to the material.
What do each of the NFPA 704 Fire diamond's flammability ratings 0-4 mean?
1-Ignites after considerable preheating. 2-Ignites if moderately heated. 3-Can be ignited at all normal temperatures. 4-Very flammable gases or very volatile flammable liquids.
What does a blue placard mean?
Yellow placards indicate the material is an oxidizer; Blue placards indicate the material is dangerous when wet; White placards indicate the material is an inhalation hazard and/or poison; … White placards with black stripes indicate miscellaneous hazardous materials.
What DOT Hazard Class uses orange on the placard?
A bulk packaging containing a Class 9 material must be marked with the appropriate ID number displayed on a Class 9 placard, an orange panel, or a white square-on-point display.
What is the guide number for chlorine?
UN 1017: Chlorine – Substance information – HazMat Tool.
What guide number is assigned to white asbestos?
UN#GuideName of Material2590171Asbestos, white2590171White asbestos2591120Xenon, refrigerated liquid (cryogenic liquid)2599126Chlorotrifluoromethane and Trifluoromethane azeotropic mixture with approximately 60% Chlorotrifluoromethane
What is the UN ID and ERG for hydrogen and refrigerated liquid?
Hydrogen chloride, anhydrous (UN1050) and Hydrogen chloride, refrigerated liquid (UN2186)
How many hazard classes are there?
The DOT separates hazardous materials into nine different categories or “hazard classes.” They are defined by specific hazardous properties and have distinct regulatory requirements for packaging, markings, and labels.
What is the name of the material for ID NO 1040?
UN#GuideName of Material1039115Methyl ethyl ether1040119 PEthylene oxide1040119 PEthylene oxide with Nitrogen1041115Carbon dioxide and Ethylene oxide mixture, with more than 9% but not more than 87% Ethylene oxide
What placard describes paint?
UN 1263 Flammable Liquid Placard — Paint.
What color and shape is the danger placard?
Labels and placards are diamond shaped (also referred to as a square on point) and must be displayed as illustrated below. They are often identical (except for their size) and they communicate through colour, number and symbol the degree and nature of danger posed by the dangerous goods.
What are the four sections of DOT placard?
The square is divided into four sections, color coded: Red – flammability; blue – health hazard; yellow – reactivity/instability; White – special hazard, such as oxidizers, water reactive or Asphyxiating gas. The red, yellow and blue sections are labeled on scale of 0 to 4; 0 ‘minimal hazard’ to 4, ‘severe hazard’.
How do you get a 2020 ERG?
Submit your name, organization, contact information, and comments to [email protected] . NOTICE: Commercial Suppliers who would like to request the print production files for the 2020 Emergency Response Guidebook should send an email to [email protected] by Friday August 14, 2020.
How far does Guide 112 direct you to evacuate from Hazard Class 1.1 items during a fire?
also, initiate evacuation including emergency responders for 1600 meters (1 mile) in all directions. When heavily encased explosives are not involved, evacuate the area for 800 meters (1/2 mile) in all directions.
What guide number is assigned to propane?
UN#GuideName of Material1075115Petroleum gases, liquefied1075115Petroleum gases, liquefied1075115Propane1075115Propane mixture
What is the emergency response guide number for an unknown substance?
Emergency Response Guidebook (ERG): GUIDE 111 (EnvironmentalChemistry.com)
What is the guide number for hydrogen sulfide?
CAS NumberUN/NA NumberDOT Hazard Label7783-06-41053Poison Gas Flammable GasNIOSH Pocket GuideInternational Chem Safety CardHydrogen sulfideHYDROGEN SULFIDE
What is the emergency response guide number for 90% acetic acid solution?
Guide d’Intervention 132.
