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:

• Do not open it.
• Treat it as suspect.
• Isolate it—don’t handle.
• Contact building security, if available.
• Call Postal Inspectors at 877-876-2455 if the item was received in the U.S. Mail.

FOR A BOMB

• Evacuate immediately.
• Call 911 for police, fire, and hazmat unit.
• Call Postal Inspectors at 877-876-2455 if the item was received in the U.S. Mail.

FOR CHEMICAL, BIOLOGICAL, OR RADIOLOGICAL CONTAMINATION

• Isolate it—don’t handle.
• Wash your hands with soap and warm water.
• Call 911 for police, fire, and hazmat unit.
• Call Postal Inspectors at 877-876-2455 if the item was received in the U.S. Mail.

FOR AIR CONTAMINATION

• Turn off fans or ventilation units and shut down the air handling system in the building, if possible. Leave area immediately and close the door or section off the area to prevent others from entering it.
• Notify your building security official or a supervisor and call 911.
• If possible, list all people who were in the room or area. Give the list to public health authorities for any needed medical advice and to law enforcement authorities for follow-up.

FOR A PLACED DEVICE

• Do not disturb. If you’re unable to verify the owner:
• Evacuate immediately.
• Call 911 for police, fire, and hazmat unit.

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