<P> The second section , with yellow page borders , references the material in order of its assigned 4 - digit ID number / UN / NA number ( which is often placarded with the other hazardous materials placards ) and identifies the appropriate guide number to reference in the Orange Section ) . Items highlighted in green in this section will have evacuation distances included in the Green Section . </P>
what does the yellow section of the erg contain
references the material in order of its assigned 4 - digit ID number / UN / NA number