Postal Explorer > Publication 52 - Hazardous, Restricted, and Perishable Mail

• 11 Purpose
• 12 Scope
• 13 Additional Information
• 14 Safety
• 15 Protecting Personnel

• 21 Mailability
• 22 Marking Requirements
• 23 Handling Hazardous Materials
• 24 Emergency Procedures
• 25 Basic Guidelines for Acceptance and Dispatch

• 31 Definition
• 32 General
• 33 Hazard Classes
• 34 Mailability by Hazard Class

• 41 General
• 42 Intoxicating Liquors
• 43 Firearms
• 44 Knives and Sharp Instruments
• 45 Odor-Producing Materials
• 46 Liquids and Powders
• 47 Motor Vehicle Master Keys and Locksmithing Devices
• 48 Controlled Substances and Drugs
• 49 Unsolicited Promotional Samples

• 51 Definition
• 52 Animals
• 53 Fresh Foods and Other Perishables
• 54 Eggs
• 55 Meats and Meat Products
• 56 Plants
• 57 Nonmailable Plant Pests, Injurious Animals, and Illegally Taken Fish or Wildlife

• 61 General
• 62 Hazardous Materials: International Mail
• 63 Restricted Matter: International Mail
• 64 Perishable Matter: International Mail

• 71 General
• 72 Hazardous Materials: Air Transportation
• 73 Restricted Matter: Air Transportation
• 74 Perishable Matter: Air Transportation

• USPS Packaging Instruction 1A
• USPS Packaging Instruction 1B
• USPS Packaging Instruction 2A
• USPS Packaging Instruction 2B
• USPS Packaging Instruction 2C
• USPS Packaging Instruction 2D
• USPS Packaging Instruction 2E
• USPS Packaging Instruction 2F
• USPS Packaging Instruction 3A
• USPS Packaging Instruction 3B
• USPS Packaging Instruction 3C
• USPS Packaging Instruction 4A
• USPS Packaging Instruction 4B
• USPS Packaging Instruction 5A
• USPS Packaging Instruction 6A
• USPS Packaging Instruction 6B
• USPS Packaging Instruction 6C
• USPS Packaging Instruction 6D
• USPS Packaging Instruction 6E
• USPS Packaging Instruction 6F
• USPS Packaging Instruction 6G
• USPS Packaging Instruction 6H
• USPS Packaging Instruction 7A
• USPS Packaging Instruction 8A
• USPS Packaging Instruction 8B
• USPS Packaging Instruction 9A
• USPS Packaging Instruction 9B
• USPS Packaging Instruction 9C
• USPS Packaging Instruction 10A

• Conversion to International System (SI) Units
• Conversion From International System (SI) Units

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