<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> <P> The fourth section, with orange page borders, includes the actual response guides . Each of the 62 guides provides safety recommendations and directions on how to proceed during the initial response phase (first thirty minutes) of the incident . It includes "health" and "fire or explosion" potential hazard information (with the more dangerous hazard listed first). For example, "the material gives off irritating vapors, easily ignited by heat, reactive with water"; "highly toxic, may be fatal if inhaled, swallowed or absorbed through skin"; etc . </P> <P> Next this section includes information for responders on appropriate protective clothing and possible evacuation information for either spill or fire is given . It also includes information on fighting fires (example, do not apply water to sodium), warnings for spills or leaks, and special directions for first aid (example, not to give mouth - to - mouth resuscitation if the materials are toxic). </P>

How many guides are in the orange section of the erg