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USPS Packaging Instruction 6H

Risk Group 1 Materials, Reference DMM 601.10.17.10

Division 6.2 materials in Risk Group 1 are not subject to regulation as hazardous materials, but when presented for mailing they must be properly packaged. Reference DMM 601.10.17.10

(Regulated medical waste, sharps waste, and used health care products classified in Risk Group 1 must be packaged and mailed under the applicable requirements in Packaging Instructions 6E or 6F.)

A diagnostic (clinical) specimen in Risk Group 4 or a biological product in Risk Group 2, 3, or 4 must be packaged under DMM 601.10.17.5. A diagnostic specimen in Risk Group 2 or 3 must be packaged under DMM 601.10.17.6. The packaging of a diagnostic specimen in Risk Group 1 (e.g., a urine specimen or blood specimen used in drug testing programs or for insurance purposes) or a biological product (e.g., polio vaccine) in Risk Group 1 is subject to the following standards:

Proper Shipping Name

Not applicable (not regulated under 49 CFR as a hazardous material in domestic commerce).

Mailability

International Mail: Mailable only via registered airmail letterpost with prior written approval from the Manager, Mailing Standards as permitted in 622.2 and IMM135.

Domestic Mail: Mailable only as First-Class Mail, Priority Mail, Express Mail, or Parcel Post.

Required Packaging - Not Exceeding 50 ml.

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Primary Receptacle

A diagnostic specimen or biological product consisting of 50 ml or less per mailpiece must be packaged in a securely sealed primary receptacle.

Two or more primary receptacles whose combined volume does not exceed 50 ml may be enclosed within a single mailpiece.

Sufficient absorbent material and cushioning material to withstand shock and pressure changes must surround the primary receptacle(s), or be otherwise configured to take up the entire liquid contents in case of leakage.

Secondary Container

The primary receptacle(s) and the absorbent cushioning must be enclosed in a secondary container having a leakproof barrier that can prevent failure of the secondary container.

The secondary container must be securely sealed, and it may serve as the outer shipping container, provided it has sufficient strength to withstand ordinary Postal Service processing.

The secondary container must be marked with the international biohazard symbol except when the secondary container also serves as the outer shipping container (See Exhibit 346.32e). In that case, the biohazard symbol must appear either on the inner packaging or on the primary container.

Marking/Documentation

The biohazard symbol should not appear on the outer shipping container.

A shipping paper and content markings on the outer shipping container are not required.

Each mailpiece must bear a comoplete delivery and return address.

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Required Packaging - Exceeding 50 ml.

Primary Receptacle

A clinical specimen or biological product that exceeds 50 ml must be packaged in a securely sealed primary receptacle.

A single primary receptacle must not contain more than 500 ml of specimen.

Two or more primary receptacles whose combined volume does not exceed 500 ml may be enclosed in a single secondary container.

Sufficient absorbent material and cushioning material to withstand shock and pressure changes must surround the primary receptacle(s), or be otherwise configured to take up the entire liquid contents in case of leakage.

Secondary Container

The primary receptacle(s) and the absorbent cushioning must be enclosed in a secondary container having a leakproof barrier that can prevent failure of the secondary container if the primary receptacle(s) should leak during transport.

The secondary container cannot serve as the outer shipping container.

The secondary container must be marked with the international biohazard symbol (See Exhibit 346.32e).

Outer Shipping Container

The secondary container must be securely and snugly enclosed in a fiberboard box or container of equivalent strength that serves as the outer shipping container.

The maximum amount of a specimen that may be enclosed in a single mailpiece must not exceed 4,000 ml.

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Marking/Documentation

The biohazard symbol should not appear on the outer shipping container.

A shipping paper and content markings on the outer shipping container are not required.

Each mailpiece must bear a complete delivery and return address.

Solid (or Dried) Specimens

Primary Receptacle

A solid or dry specimen, such as a saliva swab, blood spot, or fecal smear in Risk Group 1 must be completely dried prior to placing it in or on a secure primary receptacle.

Cushioning material to withstand shock and pressure changes is required only if the dry specimen is held in a breakable primary receptacle.

When required, the cushioning material must surround the primary receptacle to prevent breakage or damage to the primary receptacle.

Secondary Container

The primary receptacle (and cushioning material, if required) must be enclosed in a secondary container having a leakproof barrier that can prevent failure of the secondary container if the primary receptacle breaks during shipment.

The secondary container must be securely sealed and it may serve as the outer shipping container provided it has sufficient strength to withstand ordinary Postal Service processing.

The secondary container must be marked with the international biohazard symbol (See Exhibit 346.42C) except when the secondary container also serves as the outer shipping container. In that case, the biohazard symbol must appear either on the inner packaging or on the primary container.

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Marking/Documentation

The biohazard symbol should not appear on the outer shipping container.

A shipping paper and a content marking on the outer shipping container are not required.

Each mailpiece must bear a complete delivery and return address.

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