<Li> General safety precautions </Li> <Li> Specific guidance for incidents involving pipelines </Li> <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> <P> 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 . </P>

What pages in the guidebook are ordered by id number