| |
Outside
Temperature |
Number of
Faces* Covered
with Packs |
Temperature of Packs |
Comment** |
Greater than 75°F to 110°F (greater than
24°C to 43°C)
|
2*** |
23°F (-5°C) |
Up to 48 hours
delivery with 10 hours
at 110°F (43°C)
|
32°F to 75°F
(0°C to 24°C) |
2*** |
23°F (-5°C) |
Up to 48 hours
delivery |
4 |
41°F (+5°C) |
Up to 24 hours
delivery |
Colder than
32°F (°C) |
4 to 6**** |
50°F (+10°C) |
About 24 hours
exposure to mix of
outdoors and
heated areas |
| 0°F (-18°C) or colder |
6**** |
68°F (+20°C) |
Prolonged, 24 to 48 hours continuous
exposure
to 0°F (-18°C) |
* |
Faces would include the interior surfaces
of the box, including the walls, floor and lid (above the vaccines
and insulating material). |
** |
Applies when high quality insulated
boxes with walls of 1¾ inches to 2¼ inches expanded
polystyrene, 1 inch isocyanurate, or 3 inches polyurethane insulation
were used. |
*** |
3 for the medium-sized box tested by
CDC (10x10x7 inches—interior dimensions). |
**** |
Essentially the entire surface area
is covered with packs. |
Refrigerated/Frozen Packs.
|
|
|
