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3 Hazardous Materials

3 Hazardous Materials

31 Definition

32 General

321 U.S. Department of Transportation

322 Postal Service

323 Mailer Responsibility

324 Mailability Rulings

325 DOT Hazardous Materials Warning Labels

326 Shipping Papers

327 Transportation Requirements

327.1 General

327.2 Air Transportation Prohibitions

328 Postal Service Hazardous Materials Table

33 Hazard Classes

331 Nine Classes

332 Limited Quantity

333 Consumer Commodity

334 Mailable Limited Quantity

335 ORM–D Materials

336 Small Quantity

336.1 Definition

336.2 Mailability

336.3 Packaging and Marking

337 Packaging Requirements for Hazardous Materials

337.1 DOT Packing Groups

337.2 Postal Service Packaging Instructions

338 Nonmailable Materials Found in the Mailstream

34 Mailability by Hazard Class

341 Explosives (Hazard Class 1)

341.1 Definition

341.2 Mailability, Packaging, and Marking

342 Gases (Hazard Class 2)

342.1 Definition

342.2 Mailability

342.3 Packaging

342.4 Marking and Documentation

342.5 Mailability Rulings

343 Flammable and Combustible Liquids (Hazard Class 3)

343.1 Definition

343.2 Mailability and Packaging

343.3 Marking and Documentation

344 Flammable Solids (Hazard Class 4)

344.1 Definition

344.2 Mailability

344.3 Packaging, Marking, and Documentation

345 Oxidizing Substances, Organic Peroxides (Hazard Class 5)

345.1 Definition

345.2 Mailability

345.3 Packaging, Marking, and Documentation

346 Toxic Substances and Infectious Substances (Hazard Class 6)

346.1 Definitions

346.2 Mailability

346.3 Packaging, Marking, Labeling, and Documentation

346.4 Damaged Parcels

347 Radioactive Materials (Hazard Class 7)

347.1 Definition

347.2 Mailability

347.3 Packaging

347.4 Marking

347.5 Emergency Procedures

348 Corrosives (Hazard Class 8)

348.1 Definition

348.2 Mailability

348.3 Packaging

348.4 Marking and Documentation

349 Miscellaneous Hazardous Materials (Hazard Class 9)

349.1 Definition

349.2 Mailability

349.3 Packaging

349.4 Marking and Documentation