Effective March 14, 2010, the Postal Service™ Publication 52, Hazardous, Restricted and Perishable Mail, is revised to provide the proper packaging standards for lithium batteries.
Proper packaging standards must be followed as outlined in Publication 52 Appendix A, Hazardous Materials Table, for lithium batteries to be permitted in domestic air and surface transportation. Lithium batteries are also subject to the “9D” (Lithium and Lithium-ion Cells and Batteries) packaging instructions in Appendix C, USPS Packaging Instructions for Mailable Hazardous Materials, of Publication 52.
Publication 52, Hazardous, Restricted, and Perishable Mail
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Appendix A Hazardous Materials Table: Postal Service Mailability Guide
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[Add “9D” to columns f and g of “Lithium batteries, contained in equipment” and “Lithium batteries packed with equipment”, and revise “Lithium battery” as follows:]
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We will incorporate these revisions into the next update of the online Publication 52 available via Postal Explorer® at http://pe.usps.com.
— Mailing Standards, Pricing, 2-25-10
