Identification code
Yellow Section
In the blue section
The Yellow section
The second section of the Emergency Response Guide is known as the Yellow Section. The materials in this section are ordered by their 4-digit identification number or their United Nations number. These numbers correspond with the guides in the Orange Section.
Blue section
Blue
Items in the ERG may be identified as a toxic inhalation hazard in the yellow ID code pages if there is a high inhalation risk. The best way to know this is to look up the explanations in the ERG preface.
Items in the ERG may be identified as a toxic inhalation hazard in the yellow ID code pages if there is a high inhalation risk. The best way to know this is to look up the explanations in the ERG preface.
Orange-bordered
Orange-bordered
highlighted in green shading
Isolation/ Protective Distance for items that generate toxic inhalation fumes