Mail Center Security Quick Reference Guide

FOR SUSPICIOUS LETTERS AND PACKAGES

First, if there is a known medical emergency or chemical reaction with the mailpiece, call 911. If you are unable to verify mail contents with the addressee or sender:

FOR A BOMB

FOR CHEMICAL, BIOLOGICAL, OR RADIOLOGICAL CONTAMINATION

FOR AIR CONTAMINATION

FOR A PLACED DEVICE

This guide is intended only for mail center supervisors and their employees.

877-876-2455

uspis.gov

Publication 166

October 2019

PSN 7690-05-000-4890