One hour is more than sufficient. If the filter paper containing the bloodstain is separated fromthe donor's identification portion of the card, the card is invalid and another specimen card must be completed. It is unacceptable to reattach the bloodstained filter paper to the card with tape, staples, or by any other means. Place the blood spotted end of the card into the pouch first. Bulging of the pouch should be avoided by reducing the amount of entrapped Excess air should be removed by gentle hand pressure over the pouch prior to sealing the pouch.
Heat sealing of the pouch is preferable, and a heat sealer can be provided with collection supplies.
Second, remove the tape from the lip of the pouch to expose the adhesive. Third, fold the lip of the pouch along the perforated line so that the adhesive adheres to itself. Press along the adhesive to ensure proper closure. When ready for shipment, seal the box, and place the furnished address label on the box. It is not necessary to provide a list of the donors with each shipment.