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AW-13653-001 Rev. 001
Shipping Requirements Category B or Exempt
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– Ambient Temperature:
1. Packaging must consist of three components
a. a primary receptacle, leak proof
b. secondary packaging, leak proof
c. a rigid outer packaging
2. The primary receptacle cannot contain more that 1L of a liquid substance (500 ml if using
FedEx).
3. If multiple fragile primary receptacles are placed in a single secondary packaging, they
must be either individually wrapped or separated to prevent contact between them.
4. Absorbent material must be placed between the primary receptacle and the secondary
packaging. The absorbent material (cotton balls, cellulose wadding, absorbent packets, paper
towels) must be in sufficient quantity to absorb the entire contents of the primary receptacle(s)
so that any release of the liquid substance will not compromise the integrity of the cushioning
material or the outer packaging.
5. The outer packaging must not contain more than 4L or 4kg of material. This quantity excludes
ice, dry ice, or liquid nitrogen when used to keep specimens cold.
6. An itemized list of contents must be enclosed between the secondary packaging and the outer
packaging.
7. The packaging must successfully pass a 4 ft. drop test (Section 6.6.1 IATA regulations).
8. The UN3373 mark must be displayed on the external surface of the outer packaging (one
surface of the outer packaging must have a minimum dimension of 100 mm x 100 mm FedEx
minimum is 7”x 4”x 2”) on a background of a contrasting color and must be clearly visible and
legible. The mark must be in the form of a diamond with each side having a length of at least 50
mm. Lettering must be at least 6mm high.
9. The proper shipping name “Biological Substance, Category B” in letters at least 6mm high must
be marked on the outer package adjacent to the diamond shaped UN3373 mark.
NOTES:
• FedEx will not accept clinical samples or diagnostic specimens packaged in
FedEx envelopes, FedEx tubes, FedEx Paks, or FedEx Boxes, Styrofoam boxes,
plastic bags, or paper envelopes.
• FedEx will accept clinical samples in FedEx Clinical Paks, FedEx Medium Clinical
Boxes or FedEx Large Clinical Boxes.
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